Since 1973, reliance on imports has risen from 28 percent of U.S. consumption to 57 percent. From a low of 15.2 million barrels per day in 1983, U.S. consumption has grown to nearly 20 million barrels per day this year. While strides have been made in improving energy efficiency, our national vulnerability to cutoffs of foreign supplies from unfriendly regimes in the Middle East and South America has escalated dangerously.
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