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  2. Alternative fuel vehicle - Wikipedia

    en.wikipedia.org/wiki/Alternative_fuel_vehicle

    In Brazil, 65% of flex-fuel car owners were using ethanol fuel regularly in 2009, [25] while, the actual number of American FFVs being run on E85 is much lower; surveys conducted in the U.S. have found that 68% of American flex-fuel car owners were not aware they owned an E85 flex. [18] US E85FlexFuel Chevrolet Impala LT 2009

  3. Energy-efficient driving - Wikipedia

    en.wikipedia.org/wiki/Energy-efficient_driving

    Example energy flows for a late-model (pre-2009) midsize passenger car: (a) urban driving; (b) highway driving. Source: U.S. Department of Energy [4] [5] Most of the fuel energy loss in cars occurs in the thermodynamic losses of the engine. Specifically, for driving at an average of 60 kilometres per hour (37 mph), approximately 33% of the ...

  4. Energy efficiency in transport - Wikipedia

    en.wikipedia.org/wiki/Energy_efficiency_in_transport

    Assuming the Emma Maersk consumes diesel (as opposed to fuel oil which would be the more precise fuel) then 1 kg diesel = 1.202 litres = 0.317 US gallons. This corresponds to 46,525 kJ. Assuming a standard 14 tonnes per container (per teu) this yields 74 kJ per tonne-km at a speed of 45 km/h (24 knots).

  5. 5 New SUVs With the Best Gas Mileage in 2025 - AOL

    www.aol.com/5-suvs-best-gas-mileage-110126654.html

    There’s no argument here — True Car, Car and Driver and Cars.com all ranked the Kia Niro as their No. 1 most fuel-efficient sport utility vehicle of 2025. Even without an all-wheel drive model ...

  6. Vegetable oils as alternative energy - Wikipedia

    en.wikipedia.org/wiki/Vegetable_oils_as...

    Biodiesel burns like normal diesel and works fine in any diesel engine. The name just indicates that the fuel came from vegetable oil. Straight vegetable oil - Straight vegetable oil works in diesel engines if it is heated first. [5] Some diesel engines already heat their fuel, others need a small electric heater on the fuel line.

  7. Green vehicle - Wikipedia

    en.wikipedia.org/wiki/Green_vehicle

    Diesel engines are the most efficient car internal combustion engines. Biodiesel is the only fuel allowed in some North American national parks because spillages will completely bio-degrade within 21 days. Biodiesel and vegetable oil fuelled, diesel engined vehicles have been declared amongst the greenest in the US Tour de Sol competition.

  8. Used Cars for Less Than $10,000 — Which Are the Best Value?

    www.aol.com/used-cars-less-10-000-173055903.html

    2015 Chevrolet Spark. The 2015 Chevrolet Spark, with an average price of $9,148, is a great buy for several reasons. The fuel-efficient Spark does an EPA-estimated 39 mpg on the highway, which can ...

  9. Fuel efficiency - Wikipedia

    en.wikipedia.org/wiki/Fuel_efficiency

    The actual amount of mechanical work obtained from fuel (the inverse of the specific fuel consumption) depends on the engine. A figure of 17.6 MJ/kg is possible with a gasoline engine, and 19.1 MJ/kg for a diesel engine. See Brake-specific fuel consumption for more information. [clarification needed]

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