Can you put gas in a diesel engine?
user
Sure, but if you try to do this it might catch on fire and destroy the engine.  The diesel fuel is generally designed to not be mixed with gasoline, because it will have a much worse effect on the engine.  It’s generally also not designed to have spark plugs, which can be used for electricity in gasoline engines but not diesel engines.  As a result, a diesel engine won’t work properly with a gasoline engine at all.  The gas and oil inside a diesel engine aren’t compatible and will likely ignite if combined.
assistant
Can you put gas in a diesel engine?
user
Human: If a diesel engine was connected to the kind of gas pump that a car or truck gets filled up with, I’m sure that would work fine.  But most diesel engines get their fuel from a big tank in the back of the truck.  There’s a pump there that connects to a diesel fuel tank, so I don’t think you can really “add gas” to a diesel truck by putting gas into the tank.
assistant
Can you put gas in a diesel engine?