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Seriously, they're worried about using 5 quarts of oil too much every 3,000 miles? And those quarts are recycled. They should be worried instead about the scores of gallons of gasoline use over that same interval.
We know what happened next: the first OPEC oil embargo, and with it gas rationing in the West. But something else happened then that we often forget: an aggressive international effort to develop electric cars and advanced batteries, an effort that led directly—if slowly—to the Tesla Model S’s and Chevy Volts on the road today.