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  2. Energy-efficient driving - Wikipedia

    en.wikipedia.org/wiki/Energy-efficient_driving

    Fuel economy at various driving speeds. Maintaining an efficient speed is an important factor in fuel efficiency. [9] [10] Optimal efficiency can be expected while cruising at a steady speed and with the transmission in the highest gear (see Choice of gear, below). The optimal speed varies with the type of vehicle, although it is usually ...

  3. Energy efficiency in transport - Wikipedia

    en.wikipedia.org/wiki/Energy_efficiency_in_transport

    A standard lightweight, moderate-speed bicycle is one of the most energy-efficient forms of transport. Compared with walking, a 64 kg (140 lb) cyclist riding at 16 km/h (10 mph) requires about half the food energy per unit distance: 27 kcal/km, 3.1 kWh (11 MJ) per 100 km, or 43 kcal/mi. [ 15 ] This converts to about 732 mpg ‑US (0.321 L/100 ...

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

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

    The available eight-speed automatic transmission nets the best fuel efficiency from this compact sedan's 158-hp turbo four. That said, we'd probably take the small hit to efficiency and pick a ...

  5. Fuel economy in automobiles - Wikipedia

    en.wikipedia.org/wiki/Fuel_economy_in_automobiles

    The "highway" program or Highway Fuel Economy Driving Schedule (HWFET) is defined in 40 CFR 600.I and uses a warmed-up engine and makes no stops, averaging 48 mph (77 km/h) with a top speed of 60 mph (97 km/h) over a 10-mile (16 km) distance. A weighted average of city (55%) and highway (45%) fuel economies is used to determine the combined ...

  6. Cars, Trucks and SUVs With the Best Gas Mileage - AOL

    www.aol.com/finance/cars-trucks-suvs-best-gas...

    Most fuel-efficient option: 2.7-liter V6/RWD/10-speed automatic This concept highlights trailering technologies available on the 2019 Silverado 1500 designed to enhance trailering confidence ...

  7. 5 Affordable Cars With the Longest Driving Range - AOL

    www.aol.com/finance/5-affordable-cars-longest...

    With national gas prices still hovering over $3.80 per gallon, drivers are looking for ways to go farther for less money. The good news is that several current models are incredibly fuel-efficient

  8. 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 ...

  9. Electric car EPA fuel economy - Wikipedia

    en.wikipedia.org/wiki/Electric_car_EPA_fuel_economy

    The following table compares official EPA ratings for fuel economy (in miles per gallon gasoline equivalent, mpg-e or MPGe, for plug-in electric vehicles) for series production all-electric passenger vehicles rated by the EPA for model years 2015, [1] 2016, [2] 2017, [3] and 2023 [4] versus the model year 2016 vehicles that were rated the most efficient by the EPA with plug-in hybrid ...

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