07/18/2009 05:12 am ET Updated May 25, 2011

Get Diesel Smart, America

If we go back 100 years we would find a wide assortment of propulsion systems used on cars. We had electric cars, along with street outlets in cities to charge them. We even had steam powered cars. All of these different propulsion systems were pushed aside and gasoline and diesel piston engines became the engines of choice. This dominance occurred for the simple reason that these engines were the most reliable at the lowest cost.