Courtesy Reuters

I Believe the United States is facing a national energy emergency. It arises from our extravagant and wasteful use of energy and from a shift in the sources of fuels. Per capita consumption is three times that of Western Europe, and we may ask ourselves whether our greater use enriches the quality of life by any such margin. Our cars are twice as heavy and use twice as much fuel as European cars which run about the same mileage each year, and the ratio is getting worse because of the sharp drop in fuel economy on recent models of American

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