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Fuel economy is the distance travelled per unit volume of fuel used; for example, kilometres per litre (km/L) or miles per gallon (MPG), where 1 MPG (imperial) ≈ 0.354006 km/L. The higher the value, the more economic a vehicle is (the more distance it can travel with a certain volume of fuel).
Due to the efficiency of electric motors, electric cars are much more efficient than their internal combustion engine counterparts, consuming on the order of 38 megajoules (38 000 kJ) per 100 km in comparison to 142 megajoules per 100 km for combustion powered cars. [60]
In the example provided by the US DoE in its final rule, an electric car with an energy consumption of 265 Watt hour per mile in urban driving, and 220 Watt hour per mile in highway driving, results in a petroleum-equivalent fuel economy of 335.24 miles per gallon, based on a driving schedule factor of 55 percent urban, and 45 percent highway ...
For a petrol car with typical fuel efficiency of 38 miles per gallon, the annual fuel cost based on current pump prices is around £1,210. Owners of diesel cars face an annual fuel bill of ...
2. Nissan Versa. Average miles driven per year: 19,323 Average price for a new model: $17,765 Price per 1,000 miles: $919 Check Out: 7 Best Sports Cars That Are Worth Every Penny
The program covered model year 2012 to model year 2016 and ultimately required an average fuel economy standard of 35.5 miles per US gallon (6.63 L/100 km; 42.6 mpg ‑imp) in 2016 (of 39 miles per gallon for cars and 30 mpg for trucks), a jump from the 2009 average for all vehicles of 25 miles per gallon. Obama said, "The status quo is no ...
2. Porsche 718 Cayman. Average miles driven per year: 3,950 Average price for a new model: $102,387 Price per 1,000 miles: $25,918 Check Out: 7 Best Sports Cars That Are Worth Every Penny
The high value is obtained when, after the combustion, the water in the exhaust is in liquid form. For the low value, the exhaust has all the water in vapor form (steam). Since water vapor gives up heat energy when it changes from vapor to liquid, the liquid water value is larger since it includes the latent heat of vaporization of water. The ...