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  2. Fuel efficiency - Wikipedia

    en.wikipedia.org/wiki/Fuel_efficiency

    Fuel efficiency is dependent on many parameters of a vehicle, including its engine parameters, aerodynamic drag, weight, AC usage, fuel and rolling resistance. There have been advances in all areas of vehicle design in recent decades. Fuel efficiency of vehicles can also be improved by careful maintenance and driving habits. [3]

  3. Miles per gallon gasoline equivalent - Wikipedia

    en.wikipedia.org/wiki/Miles_per_gallon_gasoline...

    AMFA specifies the energy content of 100 cubic feet of natural gas to be equal to 0.823 gallons-equivalent of natural gas, and the gallon equivalency of natural gas is considered to have a fuel content, similar to that for alcohol fuels, equal to 0.15 gallons of fuel.

  4. Fuel economy in automobiles - Wikipedia

    en.wikipedia.org/wiki/Fuel_economy_in_automobiles

    Fuel consumption monitor from a 2006 Honda Airwave.The displayed fuel economy is 18.1 km/L (5.5 L/100 km; 43 mpg ‑US). A Briggs and Stratton Flyer from 1916. Originally an experiment in creating a fuel-saving automobile in the United States, the vehicle weighed only 135 lb (61.2 kg) and was an adaptation of a small gasoline engine originally designed to power a bicycle.

  5. The Most Fuel-Efficient Cars (That Aren't Hybrids) - AOL

    www.aol.com/most-fuel-efficient-cars-arent...

    Most Fuel-Efficient Gas Cars (That Aren't Hybrid) Car and Driver. Despite continuing advancements in hybrid and electric-car technology, the good old-fashioned internal combustion engine is still ...

  6. Engine efficiency - Wikipedia

    en.wikipedia.org/wiki/Engine_efficiency

    The gas turbine is most efficient at maximum power output in the same way reciprocating engines are most efficient at maximum load. The difference is that at lower rotational speed the pressure of the compressed air drops and thus thermal and fuel efficiency drop dramatically. Efficiency declines steadily with reduced power output and is very ...

  7. 40 Miles Per Gallon Isn't All It's Cracked Up to Be - AOL

    www.aol.com/2012/06/05/fuel-efficient-cars-bad...

    Fuel efficiency is on the mind of a lot of car shoppers these days, and automakers have responded with more vehicles that get 40 miles per gallon -- or even more. Today's super-efficient cars are ...

  8. 15 most fuel-efficient hybrids on American roads - AOL

    www.aol.com/15-most-fuel-efficient-hybrids...

    Hybrids combine the best of EVs and gas cars. The General used Department of Energy data to identify the top 15 most fuel-efficient hybrids in the U.S.

  9. Corporate average fuel economy - Wikipedia

    en.wikipedia.org/wiki/Corporate_average_fuel_economy

    According to the National Academies Report (Page 19) [2] a 10% improvement in fuel efficiency leads to an average increase in travel distance of 1–2%. This phenomenon is referred to as the "rebound effect". The report stated (page 20) that the fuel efficiency improvements of light-duty vehicles have reduced the overall U.S. emissions of CO 2 ...