American tailpipes have played an outsized role in global warming. In 2019, transportation accounted for 29% of the country’s human-generated emissions, the most of any sector tracked by the Environmental Protection Agency—and the U.S. is the world’s second-largest carbon emitter. The Biden Administration wants to clean up transportation’s dirty reputation, and make America the global leader in electric vehicle production in the process. At the moment, electric vehicles, or EVs, aren’t particularly common in the U.S.