Ethanol

Ethanol what a great idea and a great concept only one little problem. While it helps the polution coming from our cars this is true the process it takes to convert corn to fuel gives off just as much polution as it would from our car's. While it helps out getting us away from foreign oil which is alway's good. It doesn't help wich polution like we have thought or have been told. Until they can pull up the ethanol to get us farther away from foreign oil and or clean it up more to help out the environment what exactly is the point?