foreign supply is cut off. It might also be useful to import extra oil and put it into a stockpile for use in an

emergency, as the United States government did by starting a Strategic Petroleum Reserve in 1977. Moreover,

it may be necessary to discourage people from using oil, and to start a high-powered program to seek out

alternatives to oil. A straightforward way to do this would be to raise taxes on oil. Additionally, it makes no

sense to argue that because oil is highly important to the United States economy, then the United States should

shut out oil imports and use up its domestic supplies more quickly. U.S. domestic oil production is increasing.

Shale oil is adding to domestic supply using fracking extraction techniques.

Whether or not to limit certain kinds of imports of key technologies or materials that might be important to

national security and weapons systems is a slightly different issue. If weapons’ builders are not confident that
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