An engineering strategy where automakers reduce engine displacement and cylinder count to meet strict fuel economy and emissions targets. To maintain the performance expected by consumers, these smaller engines are heavily supplemented with turbochargers, direct injection, and variable valve timing.
The new generation of trucks completely embraced downsizing, dropping the V8 for a twin-turbo V6.
Related terms
Forced induction
The process of compressing intake air to increase the power output of an internal combustion engine.
CAFE
Corporate Average Fuel Economy regulations that mandate mileage standards for automakers.
Hybridization
The process of adding electric propulsion to traditional internal combustion vehicle platforms.
GDI
Gasoline Direct Injection is a fuel delivery system that sprays gasoline directly into the combustion chamber.
ICE
Blocking an electric vehicle charging station with a gas-powered car is a common parking offense.