
Opposed piston Diesel engine - Highly efficient!
https://v.redd.it/4a4g1kf36o031
Submitted May 26, 2019 at 09:07PM by karansrajput
via reddit https://www.reddit.com/r/geek/comments/btgwu2/opposed_piston_diesel_engine_highly_efficient/?utm_source=ifttt