The Little E.P.A. Winnebago That Could … Thanks to Wind

A mobile EPA air-monitoring laboratory recently acquired a rooftop wind turbine, becoming, as its on-board scientist puts it, “The Wind in the Winnebago.” When conditions are right, the turbine can charge up the Winnebago’s on-board batteries enough to power the entire mobile lab for eight hours “without a single wisp of generator exhaust.”