Today Mitsubishi unveiled the production version of the iMiEV, the company’s pure-electric car, and announced that it will come to market pretty much right away—next month, in Japan. (No North American launch date has been announced.) Mitsubishi is calling the four-seat minicar the “ultimate eco-car,” the first step toward making EVs 20 percent of its business by 2020.
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.