7/18/2010 10:00:00 PM
Felix Wankel's original concept was once seen as having great potential because of its high power density compared to piston engines. Unfortunately, the manufacturing processes available in the 1960s and 1970s made it difficult to achieve adequate durability without high oil consumption and excessive emissions....
It's starting to look more and more likely that the Wankel rotary engine could have a future as an electric vehicle range extender. [MORE]