Diesels, Hybrids Much Better Than Ethanol Fueled Cars on Social Benefits

Interest in improved milage for vehicles certainly is important and timely.  The move toward putting clean burning diesel engines in "hybrid" chassis's would also be be a huge advantage to the consumer who is seeking to reduce their fuel cost associated with their driving habits. 

High fuel prices, Greenhouse Gas emissions, and pending CAFE mpg increases are increasing focus on advanced powertrains and fuels for the US light vehicle market.   While Ethanol fuel [E85] is a step in the right direction it may not be cost-effective vs. other options including hybrids and diesel engines.  Hybrids may be the most efficient in certain conditions...