I thought this was interesting-Cummins spark ignition engine and a 2.8l making 250 hp and 450 #/ft.
E85-Fueled Engine Cuts CO2 by Up to 80%, Cummins Says - TopNews - Equipment - TopNews - TruckingInfo.com
E85-Fueled Engine Cuts CO2 by Up to 80%, Cummins Says - TopNews - Equipment - TopNews - TruckingInfo.com