Tag: trucks freightliner

  • What engines do Freightliner use?

    Engines

    • DD13® 350–505HP | 1250–1850 lb-ft.
    • DD13® Gen 5. 370–525HP | 1250–1850 lb-ft.
    • DD15® 400–505HP | 1550–1750 lb-ft.
    • DD15® Gen 5. 400–505HP | 1550–1850 lb-ft.
    • DD16® 500–600HP | 1850–2050 lb-ft.
    • DD5™ 200-240HP | 560-660 lb-ft.
    • DD8™ 260-350 HP | 660-1050 lb-ft.

    D’autre part Who builds Freightliner? Freightliner LLC, which is headquartered in Portland, Oregon, is the leading manufacturer of medium and heavy-duty trucks in North America. Freightliner builds and sells 7.3 tonnes+ (Class 5 – 8) vehicles. It is part of DaimlerChrysler AG, the world’s leading manufacturer of commercial vehicles.

    How much is a new Freightliner engine? Depending on the engine manufacturer, your model, and any other details, the cost for a replacement engine can range from $5,500 to $11,000.

    De plus, How many miles per gallon does a Freightliner get? The Freightliner Cascadia Evolution I gets over 10 mpg

    For most regular drivers, going to a racetrack may be the only real way to achieve such a feat.

    Which semi truck brand is the best?

    Let’s take a look at the finest semi trucks for 2021.

    • Freightliner. Freightliners must be included on any list of the best semi truck brand. …
    • Peterbilt. The legacy of a Peterbilt is open highways ahead of you, a strong rig beneath you, and a timeless style that you can’t stop. …
    • Kenworth. …
    • Volvo. …
    • International.

    How many gears does a Freightliner have?

    Freightliner Argosy
    Powertrain
    Engine Caterpillar C12 Cummins ISM Cummins ISX Detroit Diesel Series 60 Detroit Diesel DD15 Mercedes-Benz OM457 (1998 concept only)
    Transmission 18-speed Eaton-Fuller UltraShift – PLUS 18-Speed Eaton-Fuller Autoshift Eaton-Fuller 10 speed, 13 speed, and 15 speed .
    Chronology

    Who makes Peterbilt? Pacific Car & Foundry (PACCAR) acquires Peterbilt, beginning a relationship that has lasted for 60 years and counting. Originally a maker of railway and logging equipment, PACCAR has grown to become one of the largest commercial vehicle manufacturers in the world.

    What is a white Freightliner? Description Description. In 1951, Freightliner signed an agreement with the White Motor Co. to sell Freightliner trucks through White Dealerships. The trucks became White-Freightliner, gaining momentum through the 1950s and exploding in sales through the 1960s.

    How much does it cost to replace a semi truck engine?

    How Much Is A Semi Engine? It normally runs somewhere between $5,500 to $11,000 for a replacement engine depending on its manufacturer, its size, and any extras it contains. If this assessment can be more accurate, it will require contact with an engine manufacturer. By March of 2020, I required a new engine.

    How much does it cost to overhaul a semi truck? With overhaul costs ranging from $20,000 to $30,000, the decision on whether or not to have an overhaul performed on your truck’s engine can be a tough one. There are many reasons to consider an overhaul for your truck.

    How long can a Freightliner last?

    Average Semi Truck Lifespan

    A semi truck, on the other hand, lasts upwards of 750,000 miles – and some semis have hit the million mile mark! When you consider the average mileage of 45,000 miles per year, that means you can expect around 15 years for your trusted truck.

    What diesel engine gets the best fuel mileage? Diesel trucks with the new Chevy Silverado have the greatest fuel economy. A 35 MPG highway rating, 22 MPG city rating, and 27 MPG combined rating is the result of its engine.

    • 6 Duramax Get? Featuring Duramax 6′ engine power. …
    • 6 Duramax? Keep all preventative maintenance items current. …
    • 6 Duramax Get? …
    • 7 Powerstroke Get?

    What engine is in a Freightliner Cascadia?

    The Cascadia can be spec’d with either a Detroit or Cummins heavy-duty engine with ratings up to 600 horsepower. The Cascadia Evolution 113″ BBC runs with the industry-leading Detroit™ DD13®, and the Cascadia Evolution 125″ BBC can be powered by the DD15® or DD16® engine.

    Which is better Peterbilt or Freightliner?

    Peterbilt trucks are better than Freightliners in terms of build quality. They are more comfortable, longer-lasting, and have powerful drivetrains. However, they are typically more expensive Freightliners. Freightliners are better at having lower repair and maintenance costs on their trucks.

    Is Kenworth better than Freightliner? For over ten years, Freightliner has consistently recorded more sales than Kenworth trucks. In 2018, Freightliner sold about 100,000 in a year, while Kenworth made about 38,000 truck sales. Currently, Freightliner is leading the class 8 truck market in the United States.

    What is the strongest semi truck? Unique performance and fuel economy

    The Volvo FH16 with 700 horsepower is the world’s most powerful truck. It is built for the most demanding haulage assignments. Despite its 700 horsepower, there is no increase in either its emissions or fuel consumption.

    How do you shift a Freightliner?

    How much horsepower does a Freightliner have? Freightliner engines produce up to 600 hp and 2,050 lb-ft of torque.

    How much horsepower does a Freightliner Cascadia have?

    The e-Cascadia is an all-electric truck variant of the Cascadia, scheduled for mass production release in 2021, with 250 mi (400 km) of Class-8 range, using 550 kWh batteries, and 730 hp (540 kW) peak horse power, with charging to 80% in 90 minutes (200 mi (320 km)).

    Who makes Mack trucks? Mack Trucks is a leading manufacturer of heavy-duty trucks and is part of Volvo Group.

    Who makes Kenworth?

    Headquartered in the Seattle suburb of Kirkland, Washington, Kenworth has been a wholly owned subsidiary of PACCAR since 1945, operating alongside sister company (and marketplace rival) Peterbilt Motors.

    Is Peterbilt owned by Ford? The namesake of company founder T.A. “Al” Peterman, Peterbilt has operated as part of PACCAR since 1958, operating alongside sister division Kenworth Truck Company (though serving as one of the longest-running marketplace rivalries in American truck manufacturing).

    Peterbilt.

    Type Division
    Parent PACCAR
    Website www.peterbilt.com

  • Are Freightliner Trucks Any Good?

    Freightliner

    It’s for a few good reasons. Freightliner highway trucks offer day, sleeper, and crew cab options. They’re built to handle all types of loads, and they house a 350-600 horsepower engine. Freightliner trucks are aerodynamically efficient, so they get good fuel efficiency which saves money in the long run.

    D’autre part Is Freightliner owned by Ford? The Ford Motor Company agreed today to sell its heavy-duty truck business to the Freightliner Corporation, a unit of Daimler-Benz A.G., in a move that would allow Ford to shed a money-losing business and Freightliner to increase its market share in the United States. Terms of the deal were not disclosed.

    How much do Freightliner trucks cost? The average price of a new Freightliner semi truck is between $140,000 and $160,000. The average price of a used Freightliner semi truck is around $90,000 – $115,000.

    De plus, Does Freightliner still make trucks? Where are Freightliner® Trucks Manufacturers Today? Freightliner manufacturers are still headquartered in Portland, Oregon, and the company makes their trucks across North America. US-Based Freightliner Manufacturers: Currently, Freightliner® trucks are made in Mount Holly, North Carolina and Cleveland, Ohio.

    How many miles can a Freightliner last?

    Average Semi Truck Lifespan

    A semi truck, on the other hand, lasts upwards of 750,000 miles – and some semis have hit the million mile mark! When you consider the average mileage of 45,000 miles per year, that means you can expect around 15 years for your trusted truck.

    What engine does Freightliner use? Detroit diesel DD16 Engine

    The Detroit DD16 Engine delivers strength and efficiency on the road or on the job site. Detroit offers a big-bore workhorse with up to 600 horsepower and 2050 lb-ft of torque, delivering more efficient and dependable power and performance.

    What does a semi tractor cost? How Much Does a Semi Truck Cost?

    New Used
    High-end $200,000+ $180.000+
    Average cost $150,000 $100,000
    Low-end $99,000 $35,000

    5 sept. 2021

    Why do semi engines last so long? Semi-trucks typically last longer because their engines are designed differently than the engine of an average vehicle. The engine housed within a semi-truck is about 6 times the size of a standard car engine and can tolerate almost a million miles in its lifetime.

    How many MPG does a semi get?

    On average, semi-trucks get only 6.5 miles per gallon. Their efficiency ranges wildly between 3 mpg going up hills to more than 23 mpg going downhill. But even if it were possible to plan entire routes with only downhill roads, that’s not the most efficient method of improving fuel efficiency.

    Does Mercedes Benz own Freightliner? Back in May 1981, Daimler-Benz AG acquired the truck manufacturer Freightliner Corporation (headquartered in Portland, Oregon), which was relatively unknown outside of the North American truck market. At the time of the acquisition, the company had just produced the 200,000th Freightliner truck.

    Who makes Freightliner?

    Daimler AG acquired American truck manufacturer Freightliner in 1981. The company is headquartered in Fort Mill, South Carolina, and it operates as Daimler Trucks North America LLC. The company is known mainly for its heavy-duty class 8 diesel trucks, commonly known as semis, and also produces smaller class 5-7 trucks.

    How many miles per gallon does a Freightliner get? The Freightliner Cascadia Evolution I gets over 10 mpg

    For most regular drivers, going to a racetrack may be the only real way to achieve such a feat.

    How much is a Kenworth truck?

    Kenworth is a well-known name in the trucking world. A new one can set you back around $170,000 .

    Here are the average new and used prices of the most popular Kenworth Semi Truck models:

    MODEL NEW USED
    Kenworth T880 $190k $105k
    Kenworth W900 $160k $125k

    How much is a semi-truck with sleeper?

    Average Price of Used Conventional Day Cab and Sleeper Semi Trucks for Sale

    Sleeper Tractor Model Year of Manufacture Price
    Freightliner Cascadia 12564st 2016 $62,000
    Volvo Vnl64t670 2015 $53,500
    Freightliner Coronado 2016 $79,000
    Volvo Vnl64t680 2018 $76,000

    How long do semi engines last? The average lifespan of semi-truck engines is 720,000 miles, with many lasting well past a million miles thanks to larger engines and technology. The way you drive it and how well you maintain it will tell you how long it will last you, just as with any other vehicle.

    Why do truckers leave engine running? Truckers, both independent owner-operators and fleet drivers, leave their engines idling for three main reasons: weather conditions, economic pressures, and old habits. In cold weather, a truck’s engine and fuel tank need to stay warm.

    How far can a 18 wheeler go on a full tank?

    How far can a big rig go on a tank of fuel? A truck with one 120-gallon fuel tank could travel around 600-miles assuming a fuel consumption rate of 6 mpg.

    Can a semi truck last 2 million miles? Semi-trucks are built with monster engineering, which allows them to last for up to 750,000 miles, but some have been known to last a million miles.

    How far can a semi truck go on a full tank?

    Semi trucks can go about 2,100 miles on a tank of diesel fuel (not usually gasoline), assuming tanks totaling 300 gallons and an average fuel efficiency of 7 miles per gallon.

    Who makes Peterbilt? Pacific Car & Foundry (PACCAR) acquires Peterbilt, beginning a relationship that has lasted for 60 years and counting. Originally a maker of railway and logging equipment, PACCAR has grown to become one of the largest commercial vehicle manufacturers in the world.

    How many gears does a Freightliner have?

    Freightliner Argosy
    Powertrain
    Engine Caterpillar C12 Cummins ISM Cummins ISX Detroit Diesel Series 60 Detroit Diesel DD15 Mercedes-Benz OM457 (1998 concept only)
    Transmission 18-speed Eaton-Fuller UltraShift – PLUS 18-Speed Eaton-Fuller Autoshift Eaton-Fuller 10 speed, 13 speed, and 15 speed .
    Chronology

    Is Freightliner made by Chrysler? At the beginning of the 21st century, Freightliner was part of DaimlerChrysler, following the 1998 merger of its parent company with Chrysler; several changes in 2000 were made by the merged company that affected Freightliner.

    Is Bharatbenz part of Mercedes-Benz?

    BharatBenz is a brand of Daimler India Commercial Vehicles (DICV), itself a wholly owned subsidiary of the German manufacturer Daimler Truck AG . The brand is known for its trucks and buses. The headquarters of BharatBenz is at Oragadam, Chennai, India.

    BharatBenz.

    Type Brand
    Website www.bharatbenz.com

    How many MPG does a 18 wheeler get? On average, semi-trucks get only 6.5 miles per gallon. Their efficiency ranges wildly between 3 mpg going up hills to more than 23 mpg going downhill.

    What is the most fuel efficient semi engine?

    Here’s a quick guide on 10 of the most fuel-efficient truck engines:

    • Volvo D11. This is Volvo’s smallest engine. …
    • Detroit DD15. It has the same fuel efficiency as the DD13 – from 6.0 MPG to 6.9 MPG at 1,625 RPM. …
    • Paccar PX-7. …
    • Cummins 2020 X15 Efficiency. …
    • Volvo D13TC. …
    • International A26. …
    • Cummins 2018 ISX12N. …
    • Detroit DD8.

    What diesel engine gets the best fuel mileage?

    Diesel trucks with the new Chevy Silverado have the greatest fuel economy. A 35 MPG highway rating, 22 MPG city rating, and 27 MPG combined rating is the result of its engine.

    • 6 Duramax Get? Featuring Duramax 6′ engine power. …
    • 6 Duramax? Keep all preventative maintenance items current. …
    • 6 Duramax Get? …
    • 7 Powerstroke Get?
  • Who makes a Freightliner?

    Freightliner LLC, which is headquartered in Portland, Oregon, is the leading manufacturer of medium and heavy-duty trucks in North America. Freightliner builds and sells 7.3 tonnes+ (Class 5 – 8) vehicles. It is part of DaimlerChrysler AG, the world’s leading manufacturer of commercial vehicles.

    D’autre part Who makes a Freightliner truck? Freightliner Trucks

    Type Subsidiary
    Products Commercial Vehicles, Luxury vehicles
    Owner Daimler Truck
    Parent Daimler Truck North America
    Website freightliner.com

    What engines do Freightliner use? Engines

    • DD13® 350–505HP | 1250–1850 lb-ft.
    • DD13® Gen 5. 370–525HP | 1250–1850 lb-ft.
    • DD15® 400–505HP | 1550–1750 lb-ft.
    • DD15® Gen 5. 400–505HP | 1550–1850 lb-ft.
    • DD16® 500–600HP | 1850–2050 lb-ft.
    • DD5™ 200-240HP | 560-660 lb-ft.
    • DD8™ 260-350 HP | 660-1050 lb-ft.

    De plus, How many gears does a Freightliner have?

    Freightliner Argosy
    Powertrain
    Engine Caterpillar C12 Cummins ISM Cummins ISX Detroit Diesel Series 60 Detroit Diesel DD15 Mercedes-Benz OM457 (1998 concept only)
    Transmission 18-speed Eaton-Fuller UltraShift – PLUS 18-Speed Eaton-Fuller Autoshift Eaton-Fuller 10 speed, 13 speed, and 15 speed .
    Chronology

    Is Western Star owned by Freightliner?

    In 2000, Western Star was purchased by DaimlerChrysler, becoming part of the Freightliner Trucks division. In 2002, Western Star production was moved to a plant in Portland, Oregon. 4700, 4800, 4900 and 6900 model trucks are still manufactured in the Portland Truck Plant.

    What engines do Freightliner trucks use? Engines

    • DD13® 350–505HP | 1250–1850 lb-ft.
    • DD13® Gen 5. 370–525HP | 1250–1850 lb-ft.
    • DD15® 400–505HP | 1550–1750 lb-ft.
    • DD15® Gen 5. 400–505HP | 1550–1850 lb-ft.
    • DD16® 500–600HP | 1850–2050 lb-ft.
    • DD5™ 200-240HP | 560-660 lb-ft.
    • DD8™ 260-350 HP | 660-1050 lb-ft.

    What engine is in a Freightliner? A Productivity Powerhouse

    The Cummins X12 engine and the Freightliner 114SD offer an incredible combination of power, efficiency, durability and comfort.

    Does Freightliner use Cummins? Available in the Cascadia line, Freightliner customers can take advantage of Cummins’ advanced engine computing module known as Acumen®, which comes factory installed and connects to Cummins’ technology platform for direct access to digital apps, over the air product enhancements, and future service integrations.

    How many miles per gallon does a Freightliner get?

    The Freightliner Cascadia Evolution I gets over 10 mpg

    For most regular drivers, going to a racetrack may be the only real way to achieve such a feat.

    How much horsepower does a Freightliner have? Freightliner engines produce up to 600 hp and 2,050 lb-ft of torque.

    How do you shift a Freightliner?

    How much horsepower does a Freightliner Cascadia have? The e-Cascadia is an all-electric truck variant of the Cascadia, scheduled for mass production release in 2021, with 250 mi (400 km) of Class-8 range, using 550 kWh batteries, and 730 hp (540 kW) peak horse power, with charging to 80% in 90 minutes (200 mi (320 km)).

    Who makes Kenworth?

    Headquartered in the Seattle suburb of Kirkland, Washington, Kenworth has been a wholly owned subsidiary of PACCAR since 1945, operating alongside sister company (and marketplace rival) Peterbilt Motors.

    Who makes Peterbilt trucks?

    Pacific Car & Foundry (PACCAR) acquires Peterbilt, beginning a relationship that has lasted for 60 years and counting. Originally a maker of railway and logging equipment, PACCAR has grown to become one of the largest commercial vehicle manufacturers in the world.

    Is Peterbilt better than Kenworth? Among other trucks, both Peterbilt, Ken worth is considered as the most desirable rigs . As Peterbilt is popular among the trucks and the Kenworth is more affordable for the truckers.

    Peterbilt or Kenworth: Which Truck Manufacturer is Better?

    Features Kenworth Peterbilt
    Brand Premium brand of the trucking world One of the superior brands of big rigs.

    • 21 août 2017

    Does Detroit Diesel still make engines? Detroit Diesel has built more than 5 million engines since 1938, more than 1 million of which are still in operation worldwide . Detroit Diesel’s product line includes engines, axles, transmissions, and a Virtual Technician service.

    Detroit Diesel.

    Type Subsidiary
    Parent Daimler Truck North America
    Website demanddetroit.com

    How do you shift a FreightLiner?

    How much horsepower does a FreightLiner have? Freightliner engines produce up to 600 hp and 2,050 lb-ft of torque.

    How much horsepower does a FreightLiner Cascadia have?

    The e-Cascadia is an all-electric truck variant of the Cascadia, scheduled for mass production release in 2021, with 250 mi (400 km) of Class-8 range, using 550 kWh batteries, and 730 hp (540 kW) peak horse power, with charging to 80% in 90 minutes (200 mi (320 km)).

    How much is a new Freightliner engine? Depending on the engine manufacturer, your model, and any other details, the cost for a replacement engine can range from $5,500 to $11,000.

    What type of engine is in a Freightliner Cascadia?

    The Cascadia can be spec’d with either a Detroit or Cummins heavy-duty engine with ratings up to 600 horsepower. The Cascadia Evolution 113″ BBC runs with the industry-leading Detroit™ DD13®, and the Cascadia Evolution 125″ BBC can be powered by the DD15® or DD16® engine.

    What size Cummins is in a Freightliner? The Freightliner SD series uses a Cummins B6. 7, Cummins L9 (8.9L), or the Detroit Diesel DD8 (7.7L).

  • Why do truckers leave engine running?

    Truckers, both independent owner-operators and fleet drivers, leave their engines idling for three main reasons: weather conditions, economic pressures, and old habits. In cold weather, a truck’s engine and fuel tank need to stay warm.

    D’autre part How much is a 2022 Freightliner Cascadia? CASCADIA EVOLUTION WITH WARRANTY, 72″ RAISED ROOF SLEEPER, DD15, DT-12 AUTOMATIC, ALUM WHEELS, PARKSMART APU, ROLL STABILITY CONTROL, BUNK HEATER, 229″ WB.

    Rock Truck & Trailer – KC.

    Price $161,000
    Engine Detroit, DD15, 455 HP
    Fuel 2 Tanks, 170 Gal. Total
    Transmission Eaton-Fuller, Auto, 12 Spd
    Standard Features Jake

    Can you leave a diesel running while fueling? Can You Leave Your Vehicle Running While Pumping Gas? Yes, technically you can. In short, if there is no spark nearby, it is safe to put gas into a fuel tank while a car is running.

    De plus, Do truckers sleep with their trucks on? Life on the Road

    Long haul truck drivers generally sleep in their trucks, as they may be away from home for days or even weeks at a time. Everything that these drivers need to be comfortable is right there in the cab of their truck.

    How do truckers stay warm in winter?

    Truckers tend to bring things like thick blankets and down comforters, sleeping bags that can withstand low temperatures, and 12-volt heaters or heated mattress pads to plug into their rigs to keep them warm when it gets cold at night.

    Who makes Freightliner? Daimler AG acquired American truck manufacturer Freightliner in 1981. The company is headquartered in Fort Mill, South Carolina, and it operates as Daimler Trucks North America LLC. The company is known mainly for its heavy-duty class 8 diesel trucks, commonly known as semis, and also produces smaller class 5-7 trucks.

    How many miles can a Freightliner last? Average Semi Truck Lifespan

    A semi truck, on the other hand, lasts upwards of 750,000 miles – and some semis have hit the million mile mark! When you consider the average mileage of 45,000 miles per year, that means you can expect around 15 years for your trusted truck.

    Should you warm up a diesel engine before driving? Allow Time to Warm Up the Engine

    In order to start a diesel engine and keep it running in cold weather, you must make sure you allow plenty of time for your engine to warm up. If you do not let your engine warm up before driving, you will make it work harder than necessary, which will lead to problems later on.

    What RPM should I run my diesel engine at?

    Between 1,300 and 1,500 RPM is the most fuel-efficient engine speed, or what some would call the “sweet spot.” When you’re driving on the highway, aerodynamics become a key factor in the work required to move the truck.

    Why are diesel engines so big? The higher the compression ratio, the more energy is released. The more energy released, the greater the torque. So, simply, they use diesel in large vehicles rather than petrol because diesel has greater compressive resistance.

    Do truck sleepers have toilets?

    Do big rigs have bathrooms? Most of the time, big rigs don’t come with bathrooms, so drivers will use public restrooms or invest in a portable toilet that they can keep in their truck.

    Do truckers pee while driving? Most truck drivers pee at a truck stop or at rest areas. The driver will usually use the restroom at the truck stop while they are getting their fuel. If there is a rest stop with truck parking, a driver can stop there.

    Where do truck drivers poop?

    Can hot shot drivers sleep in their trucks?

    How many hours do truckers sleep? Results. Drivers averaged 5.18 hours in bed per day and 4.78 hours of electrophysiologically verified sleep per day over the five-day study (range, 3.83 hours of sleep for those on the steady 13-hour night schedule to 5.38 hours of sleep for those on the steady 10-hour day schedule).

    How long will a semi truck last? What is the average life of a semi truck? Semi trucks average about 10-15 years of lifespan, but it’s highly variable on maintenance standards, type of freight hauled (80,000 pounds and city driving vs. lightweight long hauls) and driver performance.

    Does Mercedes-Benz own Freightliner?

    Back in May 1981, Daimler-Benz AG acquired the truck manufacturer Freightliner Corporation (headquartered in Portland, Oregon), which was relatively unknown outside of the North American truck market. At the time of the acquisition, the company had just produced the 200,000th Freightliner truck.

    What engines do Freightliner use? Engines

    • DD13® 350–505HP | 1250–1850 lb-ft.
    • DD13® Gen 5. 370–525HP | 1250–1850 lb-ft.
    • DD15® 400–505HP | 1550–1750 lb-ft.
    • DD15® Gen 5. 400–505HP | 1550–1850 lb-ft.
    • DD16® 500–600HP | 1850–2050 lb-ft.
    • DD5™ 200-240HP | 560-660 lb-ft.
    • DD8™ 260-350 HP | 660-1050 lb-ft.

    Is Western Star owned by Freightliner?

    In 2000, Western Star was purchased by DaimlerChrysler, becoming part of the Freightliner Trucks division. In 2002, Western Star production was moved to a plant in Portland, Oregon. 4700, 4800, 4900 and 6900 model trucks are still manufactured in the Portland Truck Plant.

    What does a semi tractor cost? How Much Does a Semi Truck Cost?

    New Used
    High-end $200,000+ $180.000+
    Average cost $150,000 $100,000
    Low-end $99,000 $35,000

    5 sept. 2021

    Why do semi engines last so long?

    Semi-trucks typically last longer because their engines are designed differently than the engine of an average vehicle. The engine housed within a semi-truck is about 6 times the size of a standard car engine and can tolerate almost a million miles in its lifetime.

    How many MPG does a semi get? On average, semi-trucks get only 6.5 miles per gallon. Their efficiency ranges wildly between 3 mpg going up hills to more than 23 mpg going downhill. But even if it were possible to plan entire routes with only downhill roads, that’s not the most efficient method of improving fuel efficiency.