Made the list again today on YAHOO
Choose to Drive the Most Fuel-Efficient Cars of 2009 : Planet Green
Most Efficient Two-Seaters
1. 2009 Smart Fortwo Convertible and Smart Fortwo Coupe
These cars get 33mpg city and 41 mpg highway. They use 9. 5 barrels of petroleum a year and only emit 5.1 tons of CO2. Check out the upcoming electric drive smart fortwo.
2. Pontiac Solstice
This car gets 19 mpg city and 28 mpg highway. It uses 15.6 barrels of petrol a year and produces 8.3 tons of CO2.
3. Saturn Sky
The Saturn Sky gets 19 mpg city and 28 highway. It also consumes 15.6 barrels of petrol and produces 8.3 tons of CO2 annually.
Most Efficient Minicompact Car
2009 MINI Cooper
If you drive the manually shifting version of this car, you'll get 28mpg city and 37mpg highway. The automatic version gets 25/34 respectively. The manual version emits 5.7 tons of CO2 and burns up 10.7 barrels of petroleum annually. The automatic emits 6.3 tons and uses 11.8 barrels. Find out more about how the MINI Cooper works.
Most Efficient Subcompact Car
Toyota Yaris
This car also has two versions of transmission. The manual is better for the environment than the automatic.
The manual gets 29mpg city and 36 highway. The automatic manages a competitive 29/35. The manual version uses 10.7 barrels of petrol and injects 5.7 tons of CO2 into the atmosphere. The automatic version stays fairly competitive with 11 barrels used and 5.9 tons emitted.