Quoting Eric <virgil_97219@xxxxxxxxx>: > Is it not that the ethenol burns > faster which equates to more power but less efficiency? I may have the > science there askew, but I can always depend on improved Spring MPG. No, its energy content. The alcohols have less energy than hydrocarbons of the same size. Also, the higher the ratio of carbon to hydrogen, the higher the energy content of the hydrocarbon per pound (and usually per gallon). That's why propane or natural gas have less energy than gasoline, and diesel fuel has more energy than gasoline. D^2, two and a half gas guzzlers ----------------- http://www.imperialclub.com ----------------- This message was sent to you by the Imperial Mailing List. Please reply to mailing-list@xxxxxxxxxxxxxxxx and your response will be shared with everyone. Private messages (and attachments) for the Administrators should be sent to webmaster@xxxxxxxxxxxxxxxx To UN-SUBSCRIBE, go to http://imperialclub.com/unsubscribe.htm