 The 2016 model year Prius Eco surpassed the 2000 first generation Honda Insight as the all-time EPA-rated most fuel efficient gasoline-powered car available in the U.S. without plug-in capability.In late 2017 Chevy introduced the Chevy ZH2 that runs off of hydrogen fuel cells.The ZH2 was built especially for the U.S.

, more than 17 million hybrid electric vehicles have been sold worldwide since their inception in 1997.