All energy on Earth comes from three sources. The sun, the stars, and the center of the Earth. Oil is energy that was apparent in the past, and is now buried. All energy sources are just various permutations of energy gained from those processes. Ethanol is from the sun - plants convert the heat from the sun into their mass, and we convert the plants mass into ethanol mass, which is burnt, and the heat from the burning powers our cars. This is why ethanol from brazil is more efficient than ethanol from America. But the entire process is obviously inneficient in itself.
Power plants are generally far more efficient than the power producers in your car, even if the power comes from oil. Hydrogen keeps about 80% of the energy from power plants, but has the advantage over plug-ins that it can be pumped. If we'd have "hybrid hydrogen", we could have lots of efficiency.
As it is, you guys seem to think that you can get something from nothing, and that inneficient corn ethanol is a vast permutation of what it real is.
