Don't Halo Warthogs use liquid hydrogen internal combustion engines? https://www.halopedia.org/Warthog#Design_details https://www.halopedia.org/Warthog#Design_

Don't Halo Warthogs use liquid hydrogen internal combustion engines? https://www.halopedia.org/Warthog#Design_details https://www.halopedia.org/Warthog#Design_details