New study quantifies differences in biofuel crops, impact on environment {Autoblog Green}

Apr 6th 2008 3:44PM I just want to add something to the Sparky's comment. Alternative technologies to the ICE are long time present. For example you can check the work of Edwin Gray Sr. and its "splitting the positive". Of course you won't see any similar thing in a car until the last oil well is depleted.