It was something of a photo finish, but the winners of the Automotive X-Prize are in. Taking top honors: Edison2’s “Very Light Car No. 98,” a single-cylinder gas/ethanol burning four-seater that gets 102 miles per gallon of fuel. Edison2 took home half of the $10 million prize while two other teams split the other half.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.