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Fuel economy at various driving speeds. Maintaining an efficient speed is an important factor in fuel efficiency. [9] [10] Optimal efficiency can be expected while cruising at a steady speed and with the transmission in the highest gear (see Choice of gear, below). The optimal speed varies with the type of vehicle, although it is usually ...
The "highway" program or Highway Fuel Economy Driving Schedule (HWFET) is defined in 40 CFR 600.I and 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. A weighted average of city (55%) and highway (45%) fuel economies is used to determine the combined ...
Using EPA 2018 Fuel Economy Guides assumptions for national average pricing of $2.56/gal regular gasoline and $0.13/kWh [42] we can calculate a vehicle that is rated at 84 MPGe or 40 kW/100 Mi efficiency and has a 16.5 kW EV battery of which 13.5 kWh is usable for electric driving with an advertised range of 33 miles per charge.
The available eight-speed automatic transmission nets the best fuel efficiency from this compact sedan's 158-hp turbo four. That said, we'd probably take the small hit to efficiency and pick a ...
Most fuel-efficient option: 2.7-liter V6/RWD/10-speed automatic This concept highlights trailering technologies available on the 2019 Silverado 1500 designed to enhance trailering confidence ...
(The Center Square) – As Illinois policymakers push electric vehicle usage in the state, the Biden administration’s restrictions on the vehicle fuel economy may be set for an overhaul by the ...
Automobile fuel efficiency is most commonly expressed in terms of the volume of fuel consumed per one hundred kilometres (l/100 km), but in some countries (including the United States, the United Kingdom and India) it is more commonly expressed in terms of the distance per volume fuel consumed (km/L or miles per gallon). This is complicated by ...
The General used data from the Department of Energy to identify the top 15 most fuel-efficient hybrids in the U.S., ranked by their overall mileage, which is measured in miles per gallon. This ...