I personally believe that diesels have helped bring some great technologies to gasoline engines: - Making turbo charging more popular - Direct injection And I

I personally believe that diesels have helped bring some great technologies to gasoline engines: - Making turbo charging more popular - Direct injection And I think one day we'll do away with spark plugs and have compression based ignition in gasoline engines. Combine that with hybrid technologies and we could have some pretty dang efficient vehicles. less efficient than a bicycle though :P