If there was one positive factor about 2008's energy crisis, it's that it forced consumers to put more weight on fuel economy when making car-buying decisions. And while we may have moved away from $4-per-gallon gasoline, fuel efficiency still places high on the "must have" list for a lot of new car shoppers. Now that we know how easily these price hikes can happen, it's better to be safe than sorry, right?

We've seen major manufacturers expanding their ranges of hybrid offerings, and for the first time, clean diesels are starting to make their way onto American soil, proving that you don't have to sacrifice performance for the sake of fuel consumption. Scroll through the gallery above to see out list of the ten most fuel efficient cars for 2009.

Note: This information is based off of the 2009 FuelEconomy.gov listing.