How much fuel does a diesel bus use?

Fuel efficiencies used in this analysis were as follows: diesel bus: 4.82 miles per diesel gallon; diesel-hybrid bus: 5.84 miles per diesel gallon; natural gas bus: 4.47 miles per diesel gallon equivalent; and battery electric bus: 2.02 kWh per mile, which accounts for a 90 percent charging efficiency.



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On average, a clean-diesel school bus can travel about 510 miles on a tank of diesel vs. only 270 miles on gasoline, based on the same standard-sized fuel tanks.

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On average, a clean-diesel school bus can travel about 510 miles on a tank of diesel vs. only 270 miles on gasoline, based on the same standard-sized fuel tanks. Newer engines, like the Detroit™ DD5™ and DD8™ diesel engines, show an additional three percent increase in fuel efficiency.

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This timeframe matches a diesel school bus, which has an average lifespan of 12 – 15 years as well.

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Over the long haul, newer diesel engines will last 15-20 years in a fleet, while a gasoline engine may need to be replaced once or even twice during the life of a school bus. “All of these are important for fleet managers to stop and consider when choosing a new school bus,” says Hedgecock.

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Diesel. Among other types of fuel transport vehicles use, diesel fuel is a popular choice for those working with larger-capacity vehicles such as buses, vans, trucks, and boats.

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Over the long haul, newer diesel engines will last 15-20 years in a fleet, while a gasoline engine may need to be replaced once or even twice during the life of a school bus. “All of these are important for fleet managers to stop and consider when choosing a new school bus,” says Hedgecock.

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The Thomas C2's overall average mileage for the four test segments was 9.2 miles per gallon; competitor product's overall average was 7.6 miles per gallon.

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Which mode of transportation is best for the earth? Actually, the bus -- specifically, city-to-city buses like the Greyhound. The bus itself gets a paltry 6 miles per gallon. The reason buses are environmentally sound is that they are usually full of people, giving it the highest miles per gallon per passenger, at 208.

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This means it takes an average of approximately 5.83 passenger cars to carry the average load of a bus (9.21/1.58).

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A diesel engine requires less fuel to produce the same output as a gas engine. A conventional gas engine operates via a spark ignition system, which burns more fuel than a diesel engine's combustion system. As a result, diesel buses are more fuel-efficient per gallon and burn less fuel while idling.

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Availability was much higher during the last 8 months with an average availability of 84.7%. The battery buses had an overall average efficiency of 2.84 kWh per mile, which equates to a fuel economy of 13.3 miles per diesel gallon equivalent (mpdge).

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