|Greenlings: Where are the most important MPG increases?
The math shows that going from 12 to 15 mpg is better than 50 to 60.
|Kia: Mass-produced fuel cell cars would cost $50,000 today
No, really, they say.
|STUDY: Heavier cars get worse gas mileage. Who knew?
Unsurprising, but now there's a ream of data to prove it.