petrol/paraffin tractors always started on petrol you had to switch over to petrol before stopping if it was not going to be used for a a while if it had paraffin in it when stopped it would not start on parafin if cold the carburettors was a vaporizers
2 stroke oil is specially formulated to the specific purpose(lubricate the internals of the engine veg oil is not
long before diesel had anticoagulants added you mixed petrol with diesel to stop it freezing -25 deg
put a match to diesel and it does not burn put diesel in a paint sprayer pull the trigger and introduce a match you have a fierce flame why because the diesel has been atomized
modern engines with common rail injection systems work at greater pressures than old dieselsand have finner tolerances modern petrol engines work on the same principal but need petrol to work
