DOE awards Envera $2.8M to develop and to test efficient variable compression ratio engine
Green Car Congress
JUNE 22, 2013
All three engine BSFC curves correspond to an engine speed of 2000 rpm.Click to enlarge. The new engine will achieve high efficiency using the Atkinson Cycle with an 18:1 compression ratio, combined with aggressive engine downsizing. Valve events will also be adjusted with the VVA to trap more air in the cylinders when power is needed.
Let's personalize your content