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fuel economy Fuel cost to drive 25 miles Annual fuel cost (1) (15,000 mi) Notes Toyota Prius Prime [6] [89] 2017: Electricity (25 mi) 133 mpg-e (25 kWh/100 mi)-$0.82: $550: The Prius Prime is the most energy-efficient vehicle with a gasoline engine in EV mode. [90] During the first 25 mi might use some gasoline. [89] The 2017 Prime has a combined
Fuel economy in aircraft. Between 1950 and 2018, efficiency per passenger grew from 0.4 to 8.2 RPK per kg of CO₂. [ 1] The fuel economy in aircraft is the measure of the transport energy efficiency of aircraft . Fuel efficiency is increased with better aerodynamics and by reducing weight, and with improved engine brake-specific fuel ...
distance per vehicle per unit fuel volume; e.g., km/L or miles per gallon (US or imperial). distance per vehicle per unit fuel mass; e.g., km/kg. [11] distance per vehicle per unit energy; e.g., miles per gallon equivalent (mpg-e). Energy consumption (reciprocal efficiency) [3] is expressed terms of fuel consumption: [2]
For instance, in the second quarter of 2011 Southwest Airlines had fuel costs of $1.527 billion (again, including its AirTran subsidiary). [3] Southwest's system CASM ex-fuel for the second quarter of 2011 was then: CASM ex-fuel = (Direct Operating Cost - Fuel Cost) / Available Seat Mile = ($3.929 billion - $1.527 billion) / 31.457 billion = 7. ...
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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 ...
The cost analysis was based on a typical mileage of 7,400 miles per year. Fuel costs were calculated using the current average prices of 182.3p per litre for petrol and 188.1p per litre for diesel.
e. Fuel efficiency (or fuel economy) 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 ...