8 Incredibly Efficient Cars That Drive Thousands Of Miles On Just One Gallon--Designed By Students

The winning entry in the Shell Eco-Marathon Americas, a competition that challenges undergrads and high-schoolers to build fuel-efficient vehicles, got an amazing 2,824 mpg.

If you're feeling down about the state of the environment, there are few things more heartening than to check out the winners of the annual Shell Eco-Marathon Americas. The competition challenges teams of high-school and college students to build incredibly energy-efficient vehicles that are powered by everything from gasoline and fuel cells to electricity and solar power.

More than 100 teams competed on the marathon's Houston racetrack this year, but repeat winner Université Laval once again took the prize for best mileage, its entry clocking in at 2,824 miles per gallon. The vehicle, dubbed the Alerion Supermileage, nearly lost due to electrical problems. But it won out in the end, even though Université Laval achieved a much higher fuel mileage--3,587 mpg--last year.

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