A host of hydrogen vehicles set off for an unprecedented trip across the country. The Hydrogen Road Tour, presented by the California Fuel Cell Partnership, U.S. Department of Transportation, U.S. Department of Energy and National Hydrogen Association, will visit 31 cities in 18 states over 13 days, giving people across America a chance to interact with the vehicles and see how they are fueled.  The vehicles will drive a cumulative 24,000 miles emitting no carbon. For more info Thirteen vehicles from 9 manufacturers are participating in the Hydrogen Road Tour from BMW, Daimler, Ford, GM, Honda, Hyundai-Kia, Nissan, Toyota, and Volkswagen, as well as buses from transit agencies and universities. More info at www.hydrogenroadtour.com.