This report provides a breakdown of all zero-emission buses (ZEBs), categorized by battery electric buses and hydrogen fuel cell buses, for every state in the US, as well as a list of transit agencies who are actively operating, ordering, or have received
funding for ZEBs. As of September 27th, 2019, there were 2,255 ZEBs in the US, representing an increase of 36 percent over 2018. The region of the country with the most buses was the West Coast (Washington, Oregon, and California), with over half in
that region alone. California had the highest number of ZEBs with over 1,000.