China and US cooperation in promoting such vehicles is a concrete step against global warming. But how to measure claims in miles "per gallon"?
Read all about green, futuristic ideas for cars, solar power from space, and high-altitude wind power.
Overall sales plummeted with the end of 'cash for clunkers.' Ford has taken a hit too, but it's still doing better than Toyota, Honda, or Nissan.
Program draws on $705 million set aside in an economic stimulus package earlier this year but leaves many financing details up to the next government.
In a survey of customer satisfaction, American-made brands pull even for the first time in a decade. GM's Cadillac ties for first place.
Detroit has not said whether it will boost auto production now that Congress has allotted $2 billion more to the program.