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When all factors are considered in DoE's formula, the energy efficiency or equivalent fuel economy of electric vehicles increases, being calculated in miles per the petroleum-equivalency factor of 82,049 Wh/gal rather than miles per the usual gasoline gallon equivalent of 33,705 Wh/gallon, for the purposes of CAFE credits to manufacturers.
For miles per Imperial gallon (4.5461 L) the formula is . In parts of Europe, the two standard measuring cycles for "litre/100 km" value are "urban" traffic with speeds up to 50 km/h from a cold start, and then "extra urban" travel at various speeds up to 120 km/h which follows the urban test.
The fuel consumption is an equivalent measure for cars sold outside the United States, typically measured in litres per 100 km traveled; in general, the fuel consumption and miles per gallon would be reciprocals with appropriate conversion factors, but because different countries use different driving cycles to measure fuel consumption, fuel ...
Fuel efficiency has quickly become the most important factor for many people exploring car purchases, but it may not be as simple as we thought. A car that gets 34 miles per gallon is more fuel ...
For example, the fuel economy target for the 2012 Honda Fit with a footprint of 40 sq ft (3.7 m 2) is 36 miles per US gallon (6.5 L/100 km), equivalent to a published fuel economy of 27 miles per US gallon (8.7 L/100 km) (see #Calculations of MPG overestimated for information regarding the difference), and a Ford F-150 with its footprint of 65 ...
The objective was the coveted title as the Mobilgas Economy Run winner in each class. However, starting in 1959, entries were judged on an actual miles-per-gallon basis, instead of the ton-mileage formula used previously which favored bigger, heavier cars. [2] As a result, compact cars became the top mileage champs.
In a number of countries still using other systems, fuel economy is expressed in miles per gallon (mpg), for example in the US 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.
Concorde, a supersonic transport, managed about 17 passenger-miles to the Imperial gallon, which is 16.7 L/100 km per passenger; similar to a business jet, but much worse than a subsonic turbofan aircraft. Airbus states a fuel rate consumption of their A380 at less than 3 L/100 km per passenger (78 passenger-miles per US gallon). [52]