I am sorry to read this about Diesels. As for me, my job is to figure out the streamlining. I look to others - you perhaps - to discover the best power source.* In the end, the best energy in the best engine/motor will go faster and farther in the best streamlining. I am finishing up the streamlining on my Helix. Take a look at
Chapter 59
*Personally, I think we will all be better off harvesting our energy as directly from the sun as possible.
Craig Vetter