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What (who) is fuel efficiency - definition
Fuel efficiency
FORM OF THERMAL EFFICIENCY
Gas mileage; Fuel efficient; Fuel economics; Fuel consumption; Mile per gallon; Vehicle effiency; Vehicle efficiency; Fuel-efficient; Fuel-efficient car; Fuel efficiancy; Km/l; Fuel savings; Fuel-efficiency; Fuel use; Fuel Efficiency
Fuel efficiency is a form of thermal efficiency, meaning the ratio of effort to result 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, and this spectrum of variance is often illustrated as a continuous energy profile.
Annual fuel utilization efficiency
MEASURE OF THERMAL EFFICIENCY
AFUE; Annual fuel use efficiency
The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers. The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment, including the operating transients.
Corporate average fuel economy
STANDARDS ARE REGULATIONS IN THE UNITED STATES
CAFE; CAFE standard; Light Truck Rule; EPA fuel efficiency; EPA Fuel Efficiency; EPA fuel economy; EPA Fuel Economy; Set America Free; CAFE standards; C.A.F.E.; The Corporate Average Fuel Economy; Corporate Average Fuel Economy
The Corporate Average Fuel Economy (CAFE) standards are regulations in the United States, first enacted by the United States Congress in 1975, after the 1973–74 Arab Oil Embargo, to improve the average fuel economy of cars and light trucks (trucks, vans and sport utility vehicles) produced for sale in the United States.
Examples of use of fuel efficiency
1. Something the government can do is raise vehicle fuel efficiency.
2. Government needs to foster a market for fuel efficiency.
3. Fuel efficiency standards should have been raised a decade ago.
4. There you can compare the fuel efficiency of various models.
5. Both factors add to weight and reduce fuel efficiency.