* NPR's Technology Correspondent
* Director of Sierra Club's Global Warming and Energy Program
* Vice President of Environmental Affairs, Alliance of Automobile Manufacturers
Representative George Miller
* Democratic Congressman from California
A new federal report recommends raising fuel efficiency standards for gas-guzzling SUV's, minivans and trucks...a proposal that's supported by environmental groups. Do new fuel efficiency standards make sense...and are they the best way to clean up the air?