2009 CARS: MOST FUEL-EFFICIENT

Green is still a red hot buzzword in the auto industry, with all manufacturers competing to showcase their commitment to fuel savings. While not all of our picks are considered paragons of green technology, each represents the most efficient vehicle in its class, based on annual fuel cost.

This number assumes 15,000 miles of combined city and highway driving each year and fuel prices of $2.20 a gallon for regular, $2.40 for premium and $2.90 for diesel. As with the Best Resale picks, models must make our top 25 to be eligible. Let's go for a spin. Click the navigation bar to your right:

2009 Cars: Best in Class
2009 Cars: Best New Models
2009 Cars: Best Resale Value
See the Top 25 Cars At a Glance
How We Ranked the Cars