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Suspending the gas tax
This idea was roundly criticized when proposed first by John McCain and later by Hillary Clinton.

Analysts said doing away with the 18.4 cent per gallon federal gas tax over the summer would leave road repair dangerously underfunded, and could even lead to higher gas prices as people drove more.

Still, the idea has its backers, who say it would provide immediate relief to motorists at the pump.

NEXT: Lifting the ethanol tariff

Last updated September 25 2008: 3:43 PM ET
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