Wondering how the performance, fuel costs and maintenance would compare to an equivalent vehicle with a small diesel, motorcycle engine or even a modern two-str

Wondering how the performance, fuel costs and maintenance would compare to an equivalent vehicle with a small diesel, motorcycle engine or even a modern two-stroke. My guess is that the vehicle would be much lighter and have a longer range with a petroleum based fuel. Most of the 3 wheeled vehicles offered in the US are more performance minded. Leno shows a Vanderhall 'Venice' https://www.youtube.com/watch?v=2X71spAvmw4 https://www.youtube.com/watch?v=2X71spAvmw4 Doug DeMuro critiques a Polaris Slingshot https://www.youtube.com/watch?v=Vf_O9mZcSs4 https://www.youtube.com/watch?v=Vf_O9mZcSs4