An Electric Skateboard You Control by Leaning

California might still have a ban on electric skateboards, thanks to a 1970s law against their motorized, emissions-spewing granddaddies. But with one state legislator moving to legalize e-boards, engineers are already rolling out prototypes—such as the Zboard 2, a battery-charged person-mover that gets up to a wind-rustling-in-the-hair 20 mph. Read more.