Two young entrepreneurs want to change how people think about transportation.
The world's first hydrogen-powered train will soon be carrying passengers in China.
To get fuel-cell cars off the ground, Toyota is giving automakers free access to 5680 patents.
Volvo makes all its trucks for North America in Virginia, where the factory runs on 100% landfill gas.
It's only taken a few months of low gas prices for big SUVs and trucks to out-sell efficient cars.
The 2-seater can fly for 90 minutes on a charge or be powered by renewable energy.
Next month, Toyota begins sales of the world's first mass produced hydrogen car.
Prices have been cut in half, leaving the big question of how people fill-up with hydrogen.
If prices aren't just temporarily lower, Americans will start guzzling gas again.
The Navy awarded contracts to three companies who will build its first on-site biorefineries - imagine ships running on waste fat!