Civic
1975 Honda Civic CVCC
- The Civic has been an exemplar of low-emission performance since the 1975 Civic CVCC, which was the first vehicle to comply with the U.S. Clean Air Act—without needing a catalytic converter
- The Civic GX/Natural Gas launched for the 1998 model year and was recognized by the U.S. EPA as having the cleanest internal combustion engine ever tested; it spanned four generations through 2015
- The Civic Hybrid launched for the 2003 model year and is currently in its 4th generation