Rep. John Dingell, D-Mich., wants to help cut consumption with a gas tax but some don't agree with the idea, according to a new poll by the National Center for Public Policy Research.
But others say it wouldn't change much. Even if Americans abandoned their cars, global emissions would fall by less than one percent.
The Earth Policy Institute proposes raising the gas tax 30 cents per gallon each year over a decade and offset with a reduction of income taxes, Brown said.
David Ridenour, vice president of the National Center for Public Policy Research, said the proposal wouldn't help long term.
"I think when you are talking about raising gas prices, there may be short-term reduction, put off vacations, but bottom line is over long term, that isn't going to have much of an effect," Ridenour said.
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