How come both petrol and diesel cars still exist? Why hasn’t one “won” over the years?

Question

I’m thinking about similar situations e.g. the war of the currents with AC and DC or the format wars with various disc formats where one technology was deemed superior and “won” in the end, phasing the other one out. How come we still have two competing fuels that are so different?

In: Engineering

Answer 1

Also worth mentioning that diesel is basically a byproduct while making gasoline.  So in a world where we decided to only use gas we would have billions of gallons of diesel that nobody would have a use for until it got so cheap that someone would decide “we should run vehicles with that instead of this expensive gasoline. “