New Engine Designs with Variable Compression Ratio

How could the US auto industry introduce the available high efficiency engines designed by several organizations. These engines produce much more power, perform best on high knock-rated fuel, such as ethanol, and are about two times more efficient than current fixed compression ration engines. Richard Griffith

I am an independent energy consultant. My phone no. is 952 941-3738. My address is 7009 Comanche Court, Edina, MN 55439

The following website has an example of a good VCR engine design: