Fuel efficiency is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per application fuel efficiency, especially fossil fuel power plants or industries dealing with combustion, such as ammonia production during the Haber process. Fuel consumption is a more accurate measure of a vehicle’s performance because it is a linear relationship while fuel economy leads to distortions in efficiency improvements.

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  • Fuel efficiency is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per application fuel efficiency, especially fossil fuel power plants or industries dealing with combustion, such as ammonia production during the Haber process. In the context of transport, fuel economy is the energy efficiency of a particular vehicle, given as a ratio of distance traveled per unit of fuel consumed. It is dependent on engine efficiency, transmission design, and tire design. Fuel economy is expressed in miles per gallon (mpg) in the USA and usually also in the UK (imperial gallon); there is sometimes confusion as the imperial gallon is 20% larger than the US gallon so that mpg values are not directly comparable. In countries using the metric system fuel economy is stated as "fuel consumption" in liters per 100 kilometers (L/100 km). Litres per mil are used in Norway and Sweden. Fuel consumption is a more accurate measure of a vehicle’s performance because it is a linear relationship while fuel economy leads to distortions in efficiency improvements. Weight-specific efficiency (efficiency per unit weight) may be stated for freight, and passenger-specific efficiency (vehicle efficiency per passenger).
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  • auto
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  • Fuel efficiency
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  • Fuel efficiency is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per application fuel efficiency, especially fossil fuel power plants or industries dealing with combustion, such as ammonia production during the Haber process. Fuel consumption is a more accurate measure of a vehicle’s performance because it is a linear relationship while fuel economy leads to distortions in efficiency improvements.
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  • 342520
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  • 736440595
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  • *Annual fuel utilization efficiency *ACEA agreement *Alternative propulsion *Association for the Study of Peak Oil and Gas *Carbon dioxide equivalent *Corporate Average Fuel Economy *EcoAuto *Emission standard *Energy content of Biofuel *Energy conservation *Energy conversion efficiency *Energy density
  • *FF layout *Front-wheel drive *Fuel economy in automobiles *Fuel economy maximising behaviors *Fuel efficiency in transportation *Gas-guzzler *Heating value *Life cycle assessment *Low-rolling resistance tires *Marine fuel management *Twinjet *Unibody *Automobile costs *Vehicle metrics
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