Hard Choices Ahead for Carmakers

If no changes were made to SUVs or trucks, automakers would need to almost double their cars' fuel efficiency to about 52 mpg to meet the Senate standard.

Published: 15-Jul-2007

Getting there from here by then won't be easy.

Automakers are filling up on innovations that boost miles per gallon, but worry they can't run on what U.S. lawmakers may try to stuff down their tank: a 40% increase in average fuel economy by 2020.

They're scrambling to figure out how to do it and already scrapping some big-vehicle plans. One example: General Motors (NYSE:BGM) GM is ditching plans for its luxury Cadillac Sixteen to refocus on fuel efficiency.

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