Diesel power is a rarity in the motorcycle world. There have been only a couple of mass-market diesel motorcycles in history, and the chances of seeing a new diesel today are even lower as the world ...

While major motorcycle manufacturers produce a wide range of impressive mainstream bikes, the custom-built world of motorcycles is far stranger, with some examples that seem to break all the rules.

The idea’s surely unique, but the performance figures will leave you wanting. Diesel power is everywhere in the automotive world, as you'll find it in trucks, vans, buses, and even some SUVs. And for ...