There aren't very many hydrogen cars on the road these days, but there might be soon. And when there are, it will be possible to take the dirty water from your toilet and turn it into fuel.
In a month, the fastest solar cars will meet in Australia for a 14-hour race to determine the speediest sun-powered vehicle. After a disappointing finish in 2010, Stanford's team thinks they have what it takes.
Car sharing isn't new, but what if it was your car that was being shared? A new crop of peer-to-peer hourly car rental companies are popping up--can they gain traction?
New evidence suggests the Arab Spring wasn't caused by the slow boiling of political grievances, but by a sudden rise in food prices. Next year, prices will soar even higher.
Where Matternet is going, it doesn't need roads. But the people there need food and medicine. And these drones can bring it to them.