تعريف emissions control optimisation technology في الإنجليزية الإنجليزية القاموس.
Ecotec (capitalized ECOTEC, from 'Emissions Control Optimisation TEChnology') is a General Motors (GM) trademark that refers to a series of emissions technologies that were implemented throughout a range of GM engines. ECOTEC can refer to the following diesel and petrol engines produced by General Motors: