ecocar

plural ecocars

1. A car designed to have minimal impact on the natural environment.

   This strategy includes the development of green cars or ecocars such as electric autos, cars with cleaner internal combustion engines that use cleaner fuels, and computerized "smart" autos and freeways that reduce congestion and idling.

   1993, Peter E. S. Freund, George T. Martin, The ecology of the automobile, page 146