Is it more fuel efficient to drive on the highway?

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asked Apr 6 in Commuting by hippohungry (1,260 points)
Is it more fuel efficient to drive on the highway?

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answered Apr 6 by 2bidgdade (2,190 points)
Yes it is more fuel efficient to drive on the highway vs in town driving.

When you're driving on the highway at a constant speed you're covering more miles and using less fuel to cover those miles.

Driving in town uses more fuel as you constantly start and stop and the engine is still using fuel but not moving as fast or as far.

Cars and vehicles are much more fuel efficient when driving at highway speeds and it's also easier on the cars transmission and engine to drive on the highway instead of in town.

The stopping and going can wear your transmission out faster and wear your engine out faster than doing mostly highway driving.

Highway driven miles are better on a vehicle than just in town driving and the engine produces less sludge when driving on the highway as the engine gets to and stays at operating temperature.

Using more energy means using more gasoline to generate it, which is why vehicles get fewer miles per gallon in urban driving than they do on interstates and highways.

There is an exception to this rule, however. Unlike traditional gas engine automobiles, hybrids get better gas mileage in the city than the highway.

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