Do-it-yourself: How to build your own electric car, hacker style

By day, David Brown is a security consultant at Booz Allen Hamilton. But in his spare time, he’s one of a growing number of do-it-yourself electric vehicle creators. In the past couple of years, Brown retrofitted a 1974 Volkswagen Beetle into an electric car, and he talked about his “Voltswagon” project at the Defcon hacker conference on Saturday in Las Vegas.