Pollution-Free Hydrogen SUV Hits the Driveway

Like many of her neighbors, Maria Recchia-O'Neill has a sport utility vehicle sitting in her driveway in Rye Brook, just north of New York City. She drives it to work and around town to run errands. But although her vehicle looks like any other SUV, her Chevrolet Equinox gets excellent gas mileage -- and it doesn't emit any pollutants or climate change-promoting carbon dioxide. That is because it is a hydrogen fuel cell electric vehicle -- one of 40 such automobiles that U.S. carmaker General Motors provided for motorists to road test. [ScientificAmerican.com, 20 Mar 2008] Read more