While a few small boutique motorcycle manufacturers have dipped a toe or two into diesel engines for motorcycles, the established brands have barely ever offered even a hint of interest in oil ...

larger and more expensive diesel motorcycle. Still, the Hayesmobile is Marine tough and gets a tested 96 mpg. At 55mph.

(Project Farm/YouTube/) Commenters love to give Project ... This time, the channel has set up an Olympic pentathlon for diesel oil. Six brands take the start line: Mobil Delvac at $14 per gallon ...

Mini diesel motorcycle gets cheap turbo from Amazon and reaches 400% higher speed (YouTube @Bummotorsport) They started with a ready-made frame, avoiding the extra cost of removing a functional ...