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At 60km/h, the global average speed, energy loss due to air drag in fossil fuel cars is approximately 5% of the total energy loss. Friction (33%), exhaust (29%), and cooling the engine (33%) account for the rest. [12] Above 60km/h, wind resistance grows with approximately the square of speed, becoming the dominant factor at high speed. [11]: 256
The average American spends almost $2,000 per year on fuel, so choose a ride that won't guzzle gas. See which popular cars boast the highest fuel efficiency.
In the United States in 2017, about 43% of scrap tires (1,736,340 tons or 106 million tires) were burnt as tire-derived fuel. Cement manufacturing was the largest user of TDF, at 46%, pulp and paper manufacturing used 29% and electric utilities used 25%.
Low rolling resistance tires are designed to reduce the energy loss as a tire rolls, decreasing the required rolling effort — and in the case of automotive applications, improving vehicle fuel efficiency as approximately 5–15% of the fuel consumed by a typical gas car may be used to overcome rolling resistance. [1]
If you're looking for ways to save money on driving this summer and your car doesn't get a lot of miles per gallon, it might be time to change out your vehicle. Discover More: 9 Most Reliable Cars ...
Fuel efficiency is dependent on many parameters of a vehicle, including its engine parameters, aerodynamic drag, weight, AC usage, fuel and rolling resistance. There have been advances in all areas of vehicle design in recent decades. Fuel efficiency of vehicles can also be improved by careful maintenance and driving habits. [3]