Author: Stephanie Patnaude

What You Need to Know About AC Repair

Stephanie Patnaude

If your AC has been making a lot of noise, it is a good idea to call an HVAC technician. This will ensure that the problem is addressed before it worsens.

AC Repair

During AC Repair Sherman Oaks the technician checks if there is a leak or water issue. They also ensure that the level of coolant is right in the system.

The thermostat is one of the most important parts of an air conditioning system. If it’s not functioning correctly, the whole system can malfunction, and your home may experience discomfort and energy waste. Fortunately, you can easily identify a thermostat problem and take steps to fix it.

Start by ensuring that the unit is receiving power. Check the circuit breakers to see if they’ve been tripped. If they have, switch them back on. Then, replace the batteries if your digital thermostat is battery-powered.

Older electromechanical thermostats can sometimes become dislodged from their mounting surfaces, especially if they’re located near doors or windows. If they’re not mounted securely, this can cause them to read inaccurately and affect your home’s temperature. If this is the case, an HVAC expert can relocate the thermostat or install new mounting brackets for it.

It’s also possible that your thermostat is experiencing a complication caused by a dirty or dusty sensor. This can cause the thermostat to misread the room’s temperature, leading it to turn on and off frequently, or to overshoot its intended target. To prevent this, regularly clean your thermostat’s sensors using a cloth or brush.

Finally, it’s also possible that your thermostat is disconnected from the AC system. This can happen when the unit is installed incorrectly, or if it gets jostled. Luckily, this issue is easy to fix and rarely causes damage to your AC system.

As a rule, the lifespan of your thermostat is about ten years. If you’re approaching this limit, it’s time to call an AC repair professional. This way, you can have your old thermostat replaced with a new one that offers better performance and more advanced features.

Condenser

The condenser is the large piece of equipment that sits outside and releases hot air absorbed by the compressor and evaporator. It contains a fan, condenser coils, and a refrigerant line that carries vital coolant between the indoor and outdoor units to carry out heat exchange. The condenser unit needs to be in good working order for the entire system to function.

A condenser problem can lead to high energy bills and poor cooling performance. The air conditioner may still run, but it will work harder to cool the house, and that takes more energy. If you see puddles of refrigerant under the unit, or the condenser is producing less cool air than usual, call a professional to check out the problems.

Another sign of a condenser problem is an irregular pressure reading on the air conditioning gauges. This could mean that the compressor isn’t functioning properly, and it can also indicate a clogged air filter.

It’s important to have regular AC maintenance and to change the air filters regularly. A clogged filter prevents air flow and forces the condenser to work harder. A qualified technician can check the evaporator and compressor for signs of problems and clean the coils to keep the AC running smoothly.

The cost of an AC repair depends on the size and type of your home’s heating and cooling system, as well as its age and location. For example, a packaged HVAC system with an outdoor unit is more costly to repair than a split system. It’s also more expensive to replace an older condenser than to repair a newer one. Also, labor rates are higher in summer. It’s best to schedule repairs during the off-season when rates are lower.

Blower

The blower motor is the component that circulates air throughout your system. It helps to keep temperatures consistent throughout your home and improves air quality by filtering dust and other contaminants from the circulating air. During regular AC maintenance services, your blower fan is cleaned and lubricated to minimize friction between the blower blades and the motor shaft.

A clogged blower or overly worn motor will result in weak or no airflow through your vents. This is a clear sign that your blower motor is about to fail and needs replacement or repair.

If you hear a banging or rattling noise while the blower is running, turn off your system until you speak to a professional. These sounds could indicate a dangerous overheating problem that could damage other AC parts and potentially cause a costly AC repair bill.

Some modern furnaces have a direct drive system for the blower motor, which eliminates a pulley and belt. However, older furnaces may use a belt system that connects the motor shaft with a fan. In both cases, the belt can stretch or slip, causing the blower to not run at the correct speed. Your technician will inspect the motor, and depending on its condition, will either repair or replace it.

If you have a variable-speed motor, your technician can adjust the fan to operate at a specific speed based on demand. This reduces energy consumption and creates a more consistent temperature.

Compressor

The compressor is the heart of an AC unit, transforming raw gases into cool, dry air. It has pistons, bearings, and other components that can wear out or fail. When these parts are damaged, refrigerant isn’t properly pressurized to produce cool air. A faulty compressor is a major repair that can cost more than the cost of a new AC unit.

The size of an air compressor depends on the volume of compressed air it produces. A small unit has a piston-and-cylinder design that requires more frequent maintenance, while larger units use a screw-type compressor that has lower operational costs and can operate continuously.

Some manufacturers also offer industrial compressors in different styles and models. For example, an autobody shop with heavy paint application might choose a radial-screw compressor that is more durable than a piston model. An industrial compressor can handle high-pressure, high-temperature applications. It can also be cooled, dried, and filtered to meet specialized air quality requirements.

A drain pan collects condensation that drips from the evaporator coil and funnels it to a drain line. It’s important to keep it clean and clear of obstructions, as a cracked drain pan may need to be replaced.

If you notice signs of a failing air conditioner, it’s best to consult with a professional technician right away. They can help you weigh the pros and cons of repairing or replacing your unit. Homeowners can use this rule of thumb: If a repair bill is 50 percent or more of the cost of a new unit, it’s usually more financially prudent to replace the old one rather than continue to pay for expensive repairs.

Insulation

Insulation is the material in walls, attics, floors and ceilings that slows heat exchange. It keeps warm air from escaping during cold days and it prevents hot summer breezes from heating up your house. Without adequate insulation, your AC system works harder to maintain the optimal temperature in your home and it can wear out quickly. Insulation also helps to reduce operating noises.

Insulating your home can be a do-it-yourself project. However, it’s normally better to have a professional do it for you because they can identify the areas where there are gaps or leaks. Then they can seal them and add more insulation if necessary. They can also install ducts that are well-insulated to ensure that cold air stays contained within your home rather than leaking out through the ductwork and into other rooms of your house where it doesn’t belong.

Poor insulation in your attic and walls can lead to higher energy costs and a sub-par performance from your AC system. Insufficient or damaged insulation can also make your house feel stuffy, so it’s important to get it checked out by a qualified HVAC technician as soon as possible.

Adding more insulation in your attic is a relatively inexpensive project that any skilled DIYer can complete. For wall insulation, you can use fiberglass batting or foam board panels. The insulation needs to be properly sealed around any standard openings such as hatches. For more complex projects, such as insulating a duct, it’s best to have a skilled professional do it for you. They can also insulate a new roof and prevent moisture from damaging it. They can also install spray foam insulation and other types of insulating materials that are designed specifically for AC systems.

Why Stucco Repair Is Important

Stephanie Patnaude

Stucco is a fairly durable material that can last 100 years or more but needs to be maintained. It’s important to watch for any cracking or damage and have it repaired immediately. To learn more, visit Stucco Repair Philadelphia.

Stucco Services

Small hairline cracks can usually be fixed using exterior latex paintable caulk. However, if you see black stains, that’s usually a sign of significant water damage and a bigger repair project is required.

Moisture is a big problem for stucco because it can lead to mildew, mold and wall rot. These issues are more than just unsightly but can cause major structural problems and cost thousands of dollars to fix. A good home inspector or stucco remediation company will check your exterior walls to see if there is moisture intrusion. This process typically starts by looking at areas around windows as these tend to be the most common places for water intrusion in stucco walls.

If your stucco is still damp a week after it rains, it’s a sign that there’s a problem. You may also notice the formation of water spots that never seem to go away or a musty smell in your home. These signs indicate that water is penetrating your walls and could be caused by a leaky pipe, faulty gutters or even misplaced sprinklers.

Other common signs of moisture in your stucco are cracking and spalling. These are caused by expansion and contraction of the stucco due to moisture and weather changes. Normally, these cracks aren’t a sign of structural problems but if left untreated they can lead to wall rot.

A good home inspector or a stucco remediation specialist will use a probe test to determine the extent of moisture damage in your walls. This involves drilling a hole at each spot of suspected damage and inserting a probe to measure the moisture in the wall. This is the most accurate way to determine moisture levels in your stucco.

If your stucco has been damaged by moisture, the first step is to remove the damaged section of the stucco and any underlying lath. Once the damaged section is removed, a stucco repair professional will put in a patch using a cement that’s formulated for this type of application and matches the color of the surrounding stucco. Once the patch has cured, it’s time to paint. Stucco patches should be painted with a heavy-bodied acrylic elastomer that’s formulated to bridge hairline cracks and seal the surface. This product can be purchased at most hardware stores and is available in a wide range of colors.

As a building material, stucco is a highly durable substance that offers both beauty and functionality. Its longevity is tied to proper installation, with an emphasis on strict adherence to standards and codes. However, stucco is susceptible to stressors and environmental factors that can lead to its failure. This includes failure of rainwater disposal systems, which leads to excessive water penetration that can cause salt efflorescence and staining, or break down the integrity of the stucco itself, potentially causing cracks and collapse.

Moisture intrusion is another major problem that can impact a stucco system. If moisture is trapped, the result can be a multitude of issues including structural damage, mold and mildew growth, and dry rot around windows and door frames. Hidden moisture can also increase the likelihood of termite intrusion in a structure. These are all issues that can be addressed by a professional contractor through a process called stucco remediation.

A professional stucco repair company will start with an inspection to determine the extent of the problem and the cost to fix it. This may involve inserting probes in suspicious areas of the stucco walls to read moisture levels. This is a less invasive method than pulling the siding away in a small area, and can provide a better reading than using a moisture meter.

In some cases, the moisture issue is a simple one that can be corrected by adding a new layer of stucco with a waterproof sealant. In other cases, the moisture issue may be more significant and require a thorough stucco remediation.

Stucco repair works well on small, isolated problems such as hairline cracks or a specific section of crumbling stucco. It can be done on a DIY basis, but requires the use of some tools that many homeowners do not have. It is important to remember that even if only a single crack or area of damage exists, that these fissures can allow for water, pests and other debris to enter the building through these pathways.

Whether the issue is a few cracks, extensive damage to the surface of the stucco, or even complete plaster failure, a professional will be able to assess the situation and make a recommendation for repair and remediation. It is always best to have these types of issues handled early on to minimize the amount of work that will be needed.

If you are noticing cracks in your stucco walls it’s important to have these professionally inspected, as some cracks may be indicative of a larger problem. Some cracks are a normal sign of house settling, while others indicate a serious foundation problem. It’s crucial to have these inspected before attempting any type of repair as you do not want to mask the issue with cosmetic fixes.

When a stucco wall cracks it is often caused by a shift in the weight of a home. As a result, the soil around your home expands and contracts, pulling on the foundation of your house and forcing the walls to move. This creates energy that transfers through the foundation into the framing of your house, and then into the stucco. This creates stress on the structure of your house that over time, will cause it to settle and eventually crack.

Small cracks can be repaired by re-pointing the cracked areas with stucco cement and troweling it so that it matches the surrounding area. A good quality water-based paint will cover the patch and protect it from moisture. Larger cracks require more complex repairs. This involves removing the top layer of stucco along with the metal mesh that supports it. Once the metal is removed, you can examine the condition of the lath and make a decision about whether it needs to be replaced or not. If it does, you will need to nail down a layer of building paper and then replace the metal mesh.

Another option for repairing large cracks is to reapply the base coat of your stucco. This can be done by a professional or you can do it yourself with a product like Quikrete’s sanded acrylic caulk (view on Amazon). This is applied with a standard caulking gun, but rather than using a regular caulk, you’ll use a stucco-specific filler to ensure it will last.

Hairline cracks in stucco are common and can be repatched with joint compound. Wider cracks, however, are a sign of foundation settlement and need to be addressed as soon as possible before they worsen. Also, cracks in the foam trim used in stucco are often a sign that the seam was not properly connected and will reappear as thermal expansion and contraction occur.

When a stucco repair is undertaken, it’s important to use the right materials. The wrong materials can exacerbate the decay or even cause it to accelerate. The wrong paints may also insulate the moisture that should be allowed to escape. This stifles the natural evaporation of the moisture and creates an unintended negative effect: paint failure.

Stucco, like any other exterior material on a home, requires regular maintenance to prevent deterioration that will eventually affect the aesthetics of your house. Damaged stucco can become an open invitation for moisture, insects and rodents to make their homes at your home. It’s also not good for the structural integrity of your home.

One of the most common causes of paint failure on a new or repaired stucco is saponification. This is the chemical reaction that breaks down the bond between the paint and the surface. When this happens, water can permeate through the paint to the underlying stucco, causing wood rot and further deterioration of the stucco.

The best way to avoid this is to use acrylic exterior paints that allow the stucco to breathe and evaporate the moisture, rather than trapping it in the paint and causing a rotted mess. Another option is to seal the stucco with a waterproof caulk rated for outdoor use to keep moisture from entering the wall.

Using the proper cleaning techniques before painting can help, too. A pressure washer is the best way to clean stucco, brick and concrete surfaces because it blows dirt out of the tiny crevices. After the cleaning, a masonry surface conditioner can be used to restore and prepare the surface for painting.

When a stucco job is in the process of drying, it is critical to monitor pH level and moisture readings regularly. If these measurements are ignored, or the building is painted before they are read, the resulting paint may fail. This is especially true if the stucco was applied in hot, dry conditions or if it was not adequately wet down (hydrated) during cure.

Roofing Materials and Styles

Stephanie Patnaude

When it comes to roofing, homeowners need to consider both style and material. They must choose a material that will not only look great but also function well for their area’s weather patterns over time.

roofing

Hot climates require roofs that are designed to release and not absorb heat. This can include tile, shingles, metal, and slate roofs.

Metal roofs are an increasingly popular roofing material for a variety of reasons. These include their longevity, low maintenance, and energy efficiency.

Steel and aluminum are the primary materials used for metal roofing, but other options such as copper, tin, and zinc can also be found. Unlike traditional asphalt shingles, which oxidize and break down quickly, metal roofs are built to last decades with little or no maintenance.

Depending on the product, metal roofing may be coated with various finishes to prevent rust or other damage from water and air. This can be a good choice for homes located in regions with high rainfall or where the climate is particularly harsh.

The type of metal used for a particular roof depends on the home’s location, architectural style, and homeowner’s budget. Often, the most affordable option is aluminum, which is lighter and more flexible than steel and does not rust.

When choosing a metal roofing product, make sure it is properly tested and labeled by an organization that complies with rigorous wind, fire, and impact resistance requirements. 

Metal roofs are available in a variety of styles and colors. Some are stamped into shapes and installed as interlocking panels with hidden fasteners. Others are standing-seam systems that resemble shingles or tiles.

These styles are available in a wide range of colors and can be matched to most architectural styles. Several metal roofing products also offer a stone-coated look, in which granules of stone are embedded in the paint.

Regardless of the type of metal you choose, be sure your contractor follows the manufacturer’s instructions for installation. If your contractor doesn’t, rainwater could seep into the screw holes in the panel and cause a leak.

A good-quality metal roof will have fasteners that are hidden from view, or at least concealed behind a special resilient wash that is applied to the screw heads. Exposed fasteners are more vulnerable to improper installation and can dislodge over time.

Asphalt shingles, or “composition” shingles, are a popular roofing material for homes and businesses. They are available in a variety of colors, styles, and thicknesses. They can also be treated against mold and mildew.

They are made from a fiberglass mat, asphalt, and mineral granules. They are lightweight, durable, and easy to install.

The fiberglass mat is bonded with stable resins and binders to make it strong enough to hold the asphalt and granules that form the surface of the shingle. The shingles are then sealed with an asphalt sealant that activates at specific temperatures. This helps prevent the shingles from sticking together while they are being manufactured and when they are stored in the warehouse or at the job site.

Shingles are shaped and cut to fit your roof’s slope. They can be trimmed to match the roof’s contours or have special shapes like a square, rectangle, or even a diamond. They are also available in a variety of textures and colors.

They have a specialized asphalt coating that helps them resist water and snow. They are also fire-resistant, and their mineral granules deflect harmful, roof-damaging UV rays.

Some asphalt shingles have algae-resistant or reflective granules that inhibit the growth of blue-green algae that can cause discoloration on your shingle roof. These shingles can also help keep your energy bills down by reflecting heat from the sun.

In addition to these features, they are resistant to rot and mold and can last for up to 50 years. They also come in a variety of color options and a wide range of prices, so it’s easy to find the right shingles for your home or business.

Most asphalt shingles are impact-resistant, meaning they are less likely to break under heavy impacts such as hail. They also have a Class A fire rating, meaning they are highly resistant to burning.

ENERGY STAR-qualified asphalt shingles are another good option for homeowners looking to save on their energy costs. They can qualify for a tax credit.

Asphalt shingles can be installed over existing roofs and new construction. They are one of the least expensive roofing products and are readily available from many manufacturers.

The Importance of Site Preparation, Forming and Finishing With Concrete Contractors

Stephanie Patnaude

Before hiring Concrete Contractors, be sure to look over their references and compare their quotes. A reputable concrete contractor should be able to provide you with at least three references. They should also be able to give you a comprehensive estimate with a fixed cost. It’s also a good idea never to pay the entire balance upfront. This way, you have a buffer in case the construction work is subpar.

Concrete Contractors

In the construction industry, site preparation is an essential component. This includes the demolition of any old structures and clearing any land. It also includes wire mapping, site surveying, layout, and anti-termite treatment. Site preparation is vital for the construction process as it helps identify any potential complications that could impact the project. It also reduces the chance of costly reworks and delays.

Before a concrete contractor can begin work, they must properly prepare the site for construction. Depending on the project, they may use a variety of materials, including metal, concrete, and thermoplastic. These materials are then laid down on a bedding material, backfilled, and leveled. There are two basic types of concrete, including precast concrete and cast-in-place concrete. Both types of concrete require proper compaction.

Site preparation is crucial for a successful project. A good contractor will make sure that a site is clear and has easy access to construction equipment and personnel. A difficult-to-access site can slow down the project and cause difficulties for the construction crew. Proper site preparation will minimize these problems and protect your investment.

Forming with concrete contractors involves the use of a variety of concrete tools. These tools can be used to create a variety of shapes and sizes. The forms are used to hold the concrete in place while it is being poured. Modern farming systems may also incorporate insulation or special decorative effects. Some concrete contractors may use pre-manufactured concrete forms, while others use custom-made designs.

Concrete forms come in a variety of shapes, from basic wood forms to more advanced systems for decorative concrete. For example, if you want to create a curved-radius patio or walkway, forming concrete with plastic forms makes this a simple process. When using these forms, contractors will need to carefully check the shape of the form to avoid overpouring.

Concrete pouring begins once the form is installed and the concrete mixture has been approved. The concrete is then distributed using a hose, truck, or pump. After the concrete is poured, workers will often use industrial vibrating devices to smooth out the surface and remove any air pockets. Alternatively, they may use steam or water to treat the concrete.

The proper placement is critical to the durability, strength, and longevity of a concrete structure. A good concrete contractor knows how to use the proper formula and tools to place concrete exactly where it needs to be. The proper placement is also crucial to avoiding the waste of concrete. When concrete contractors do not follow these guidelines, the results can be negative.

The proper placement is essential to avoid cold joints and weak spots. Concrete contractors must work quickly and correctly to avoid these problems. The temperature at the time of placement must be regulated so that the mix is properly consolidated and compacted. The concrete must also be poured evenly, and any air pockets must be removed. After the concrete has been placed properly, finishing can occur.

Concrete contractors can improve the look of a concrete structure by adding finishing touches. This is important for a variety of reasons, including maintaining the surface’s wear, preventing seepage, and ensuring a smooth, even surface. The finishing process is simple and takes very little time. A good concrete contractor understands your needs and will tailor their services to your project.

There are many different types of finishes for concrete, from a smooth surface to a decorative design. Concrete finishers can use a wide range of tools to achieve this. The most basic finish is a smooth surface, which is achieved by using tools such as trowels and screeds. These tools smooth the surface of the concrete and fill gaps.

Trowels are an important tool for finishing concrete. Both manual and mechanized trowels are used for this process. A manual trowel consists of a flat steel blade with a handle that is pushed across the concrete. Power trowels, which are used for larger projects, have large blades that sit against the concrete. They come in walking and riding models.

Driveways – How to Design a Driveway

Stephanie Patnaude

If you’re looking for a driveway that is going to look great on your house and add to the aesthetics of the property, brick is a great option. Although it’s expensive, brick driveways last for many years or even decades. It is also an excellent surface for parking. A brick driveway will add charm to your home and make it look classic and elegant. But if you’re considering a more practical material for your driveway, you can contact a contractor.driveway

There are several materials to consider for your driveway. Concrete, for example, is low-maintenance and cheap, but it’s also fairly heavy and prone to cracks and ruts. A concrete driveway is also a solid choice because it can be customized to any pattern you want. And if you’re on a budget, you can opt for gratified asphalt. However, keep in mind that concrete doesn’t look very attractive in the long run.

If you’re looking to design a double-car driveway, consider the dimensions. A double-car driveway should be at least twenty feet wide so that both cars can pass one another. While twenty feet may be sufficient, you can’t park side-by-side. This is not ideal for parking two cars, but it is better than a twenty-foot-wide driveway with a curved layout. In addition, it’s more expensive to have a double-wide driveway.

To ensure that your driveway is safe, consider the location of crosswalks. Driveways should be placed sufficiently far from crosswalks so that pedestrians can easily pass by. Moreover, when you are exiting your driveway, it’s important to make sure your vehicle won’t block the crosswalk. If you’d like to have a driveway that has curb-side access, be sure to plan for the right height for it.

For an instant quote, visit the website. Enter the vehicle’s VIN, license plate number, and make and model. Driveway’s system will calculate the total monthly payment for you. You can also choose to trade in your current car or accept the trade-in credit. It also offers finance options and allows you to choose the term of the loan. The price range offered is usually within seven days. Once you accept the offer, you can take it home or arrange for a trade-in to save money.

A driveway is a private road or pathway that connects a house to a garage or carport. A driveway is usually privately owned and maintained. Some driveways have decorative features like traffic lights. A driveway can be short or long, simple or fancy. It may serve one house or a multi-unit apartment complex. The design of a driveway is based on the architecture of the connected buildings. If the driveway is short, it may not be appropriate for a vehicle to drive through it.

Gravel is a cheap option for a driveway surface. Gravel is a good choice for rural areas, and it doesn’t require heavy maintenance. However, gravel isn’t the best choice for a long-lasting driveway. It’s not ideal for use in wet climates, as it will become slippery and dangerous in wet weather. So, if you’re looking for a cheap option to build your driveway, gravel may be the best option.

Concrete driveways are one of the most popular choices. Concrete is a strong surface that retains its integrity even during harsh winters. They also make it easy to plow snow and maintain its integrity, as well as provide long-term aesthetic features. In addition to these benefits, concrete driveways also enhance the value of your home. If you’re able to afford the cost of a concrete driveway, you should definitely consider it. But before making your final decision, consider how climate and usage will affect your driveway’s function.

If you want to add curb appeal to your property, concrete is an excellent choice. A driveway made of concrete is easy to maintain, and it has a wide variety of design options. A high-quality concrete driveway can enhance your home’s landscaping. If properly maintained, it will add value to your home, making it an excellent investment. A driveway made of concrete can last up to 30 years without major maintenance. However, it may require heavy lifting and tools that require professional installation.

Cat Combines Autonomy and Electricity in New 794 AC Truck

Stephanie Patnaude

At MINExpo this year, Caterpillar debuted its 794 AC electric-drive mining truck with a new feature autonomy.

According to the company, previous iterations of 794 AC have proven the merits of electric drive capabilities. Originally introduced in 2016, there are now more than 150 of these electric drive trucks in operation around the globe. Cat says the electric drive trucks offer 8% better payload, faster speed on grade, and more productivity than competitive trucks, plus improved utilization rates with 90% availability.

The 794 AC is the first electric drive model to join the Command for autonomous fleet, which includes the Cat 789D, 793D, 793F and 797F models. Using Cat MineStar Command, this year’s autonomous 794 AC offers a 30% bump in productivity compared with operator-driven models, Cat says.

Autonomous operation not only improves productivity, but by reducing the number of workers in the field, it also enhances safety, Cat maintains. MineStar Command also supports mining company sustainability goals by reducing infrastructure needs, truck fuel burn, machine downtime and wear parts replacement.

Equipped with Command for Hauling, the 794 AC enables driverless operation of the truck, interaction with other equipment and integration with customer mining processes and systems, all managed by MineStar. Command for Hauling is a factory integrated system of technology that ties together the software, systems, individual components and the engine of the 794 AC.

The first 28 autonomous 794 AC electric-drive mining trucks are being deployed in Chile as part of Teck Resources Limited’s Quebrada Blanca Phase 2 copper mine. 

For mines wanting to further reduce energy consumption, Caterpillar offers the Cat Trolley Assist System for non-autonomous electric drive mining trucks including the 794 AC.

When connected to the trolley system, the truck’s propulsion system becomes powered exclusively by electricity from the power grid. The trolley system reduces fuel burn by more than 90% while on trolley and lowers CO2 emissions by 20% to 60%. The trolley also boosts speed on grade 100% compared to diesel mode.

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