General Motors has developed two brand-new engines for vehicles marketed in 
It is estimated that this unit will deliver an approximate 8% improvement in fuel consumption compared to a higher displacement naturally aspirated engine with similar output and will be EURO 5 compliant. The 1.4 Turbo variants will be manufactured at the GM Powertrain assembly facility in
The 1.6-liter Compressed Natural Gas (CNG) turbocharged 4-cylinder engine that generates an estimated output of 150 hp and 210 Nm of torque will be introduced in the Opel Zafira minivan in 2009. The 1.6-liter CNG Turbo features a 25% lower CO2 value than a comparable gasoline engine and it will be produced in the GM Powertrain assembly facility in
