How One McCain Proposal Could Cut Fuel Costs

Democratic presidential hopeful Barack Obama and his Republican counterpart John McCain have proposals for dealing with the tight supply of oil. But Bob Pindyck, a professor of economics and finance at MIT, says most of those proposals would make a limited difference as Americans face rising energy costs.

Pindyck tells Steve Inskeep that there is one exception — a proposal that McCain supports but Obama opposes. Removing the tariff on Brazilian ethanol — which is made from sugar instead of corn — would help cut gas prices within a year, he says.

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