Originally Posted By: hikermor
Vegetarians would be fine fuel sources as long as they eat lots of cellulose - tree bark, grass, twigs, and the like.


Use the people who eat what food eats as a fuel source? LOL!
_________________________
Mom & Adventurer

You can find me on YouTube here:
https://www.youtube.com/channel/UCT9fpZEy5XSWkYy7sgz-mSA