In controlling fuel injection and ignition timing in an internal combustion engine operating on a fuel mixture, such as gasoline and methanol, consideration must be given to the mixture ratio of the fuel mixture in determining air/fuel ratio and ignition timing, as well as in controlling the atomizing...http://www.google.es/patents/US4995367?utm_source=gb-gplus-sharePatente US4995367 - System and method of control of internal combustion engine using methane fuel mixture
System and method of control of internal combustion engine using methane ...