Difference between Methanol and Propane fuel in a Piston Engine

Engine runs on Methanol from the beginning, switches to Propane at around 2:36

[@malekaziz9564]

so which one is a cleaner and more complete combustion?

[@hamsinnashrudin]

+Malek Aziz assignment submitted already. just pray our answer is the correct answer. hahah

[@malekaziz9564]

+Hamsin Nashrudin thats why.hahahahahaha