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2. 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.

3. Fuel efficiency - Wikipedia

   en.wikipedia.org/wiki/Fuel_efficiency

   Download as PDF; Printable version; In other projects ... is a form of thermal efficiency, ... Liquefied natural gas: 25.3 ~55: 109,000 90,800 Liquid hydrogen

4. United States vehicle emission standards - Wikipedia

   en.wikipedia.org/wiki/United_States_vehicle...

   EPA's greenhouse gas score [28] reflects the amount of greenhouse gases a vehicle will produce over its lifetime, based on typical consumer usage. The scoring is from 0 to 10, where 10 represents the lowest amount of greenhouse gases. The Greenhouse gas score is determined from the vehicle's estimated fuel economy and its fuel type.

5. 10 Tips to Improve Your Gas Mileage - AOL

   www.aol.com/news/2011-05-26-ten-tips-to-improve...

   But 40% of these travelers, or almost 12.5 million people, said $4-a-gallon gas will curtail their travel plans, according to the advocacy group Consumer Federation of America.

6. Hypermiling - Wikipedia

   en.wikipedia.org/wiki/Hypermiling

   In the case of cars, this is an extreme form of energy-efficient driving. Hypermiling can be practiced in any vehicle regardless of fuel consumption. It gained popularity due to the rise in gasoline prices in the 2000s. [2] Some hypermiling techniques are illegal in some countries because they are dangerous. [3]

7. 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.