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EPA HWFET driving cycle. The "highway" program or Highway Fuel Economy Driving Schedule (HWFET) is defined in 40 CFR 600.I. [10] It uses a warmed-up engine and makes no stops, averaging 48 mph (77 km/h) with a top speed of 60 mph (97 km/h) over a 10-mile (16 km) distance. The following are some characteristic parameters of the cycle:
Specifically, for driving at an average of 60 kilometres per hour (37 mph), approximately 33% of the energy goes into exhaust and 29% is used to cool the engine; engine friction takes another 11%. The remaining 21% is split between rolling friction of tires (11%), air drag (5%), and braking (5%). [ 6 ]
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 gasoline/electricity ...
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.
Average miles driven per year: 16,585. Average price for a new model: $26,351. Price per 1,000 miles: $1,589. Data is sourced from iSeeCars.com and is accurate as of Apr. 30, 2024. More From ...
A motorised bicycle allows human power and the assistance of a 49 cm 3 (3.0 cu in) engine, giving a range of 160 to 200 mpg ‑US (1.5–1.2 L/100 km; 190–240 mpg ‑imp). [ citation needed ] Electric pedal-assisted bikes run on as little as 1.0 kWh (3.6 MJ) per 100 km, [ 55 ] while maintaining speeds in excess of 30 km/h (19 mph).
A new engine is broken in by following specific driving guidelines during the first few hours of its use. The focus of breaking in an engine is on the contact between the piston rings of the engine and the cylinder wall. There is no universal preparation or set of instructions for breaking in an engine.
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