Business: Fuelish Myths

Routing conventional wisdom

True or False?

Driving with the air conditioner turned on always wastes gas.

Slowly accelerating to cruising speed saves gas.

It takes more gas to start a car than it does to let the engine idle for a few minutes.

A warm engine is most efficient, so heat it up well before driving.

All true, right? Wrong. Contrary to the conventional wisdom, each statement is false, according to data from extensive studies performed independently by the Department of Energy and Douglas Aircraft Co.'s transportation department. Drawing on this research, Atlantic Richfield Co., the...

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