fuel efficiency

Ford Unveils Fuel-Efficient 2011 Explorer

The new Explorer will be more aerodynamic and with a more refined interior. It should deliver fuel-efficiency improvements of at least 25% compared with the outgoing model.

New Mileage Standards Come as Oil Prices Spike

The price at the pump may soon top $3 a gallon. The higher prices come as carmakers take stock of new regulations that will require them to achieve fuel efficiency of 35.5 miles a gallon -- an increase of nearly 10 mpg above current standards -- by 2016.

Is 'Cash for Clunkers' Gearing Up Again?

At the auto show in Detroit, U.S. Secretary of Transportation Ray LaHood described "Cash for Clunkers" as "the most wildly successful program ever." The remarks suggest the guzzler trade-in program may not have driven into the sunset. But with a majority of Americans opposing it, a retread may not be the best idea.