My grandpa outfitted his LUV diesel to burn vegetable oil. I always thought that was an exciting way to build a more green vehicle. I personally think hydrogen

My grandpa outfitted his LUV diesel to burn vegetable oil. I always thought that was an exciting way to build a more green vehicle. I personally think hydrogen is the way to go for "heavy" tow vehicles. Has great energy density and it burns green. I believe planes would work well on hydrogen as well.