This map contains state laws and regulations that affect plug-in electric passenger vehicles (PEVs). The policies include the following:
Note that the policies highlighted here target plug-in electric passenger vehicles specifically. Thus, some policies by states apply to all vehicles and alternative fuels, including plug-in electric passenger vehicles, but are not included here. Related state maps on our site include our biofuels  state map.
Source: U.S. Department of Energy Alternative Fuels and Advanced Vehicles Data Center. The website contains a database for federal and state incentives and laws. Here is a link  to the search query for these results.