Report presents best policy options to reduce petroleum use

It will take more than tougher fuel economy standards for U.S. transportation to significantly cut its oil use over the next half century. It will likely require a combination of measures that foster consumer and supplier interest in vehicle fuel economy, alternative fuels, and a more efficient transportation system, says a new report from the National Research Council. Public interest in reducing the cost of securing the nation's energy supplies, curbing emissions of carbon dioxide and other greenhouse gases (GHGs), and improving transportation operations could motivate such varied actions.

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