From Chevy Wiki

ECOTEC (Emissions Control Optimisation TEChnology) is a General Motors 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 engine and Petrol engine engines produced by General Motors:

• Ecotec Family 1 and Family 0 - Straight-4 DOHC engines produced by Opel Powertrain and GM Daewoo
• Ecotec Family II - Straight-4 all-Aluminium DOHC engines produced by GM Powertrain and Opel Powertrain
• Ecotec V6 - a version of he 3800 V6 engine, Series II and III, produced by Holden (replaced in production by Alloytec)
• CDTI Ecotec - Common rail Diesel engine for Opel cars, produced by Fiat (MultiJet) and GM Daewoo (with VM Motori)
• DTI Ecotec - diesel engines for use in Opel cars, produced by Isuzu (Circle L engine)

See also

• List of GM engines