We'd like to offer you the job duloxetine 60mg The environmental case for fuel-cell cars has always been a slam dunk. Fuel cells work by splitting electrons out of hydrogen to generate a current that can cleanly and silently power an electric motor. Nothing is emitted from the tailpipe except some water vapor. Overall, according to the DOE, a hydrogen fuel-cell car emits 30% to 50% less greenhouse gas than a gasoline-powered one. (While the car generates no emissions, producing the hydrogen itself does create some emissions because of the intense energy needed to extract it from natural gas, currently the most common feedstock.)