Can you put petrol in while the car is running?

Answer 1

I'm assuming you are asking theoretically and so I won't ask "and why would you want to do that?" ! Safety regulations ask you to switch off the engine, even the lights and your cell phone. Why? Because of the risk of explosions. Petrol vapour is very heavy - we all know how difficult it is to get out of the car if the windows and door were open while filling up. There is a chance that all those electric things we just mentioned could cause a spark, albeit a small one, and that in the presence of petrol vapour and oxygen in the air could cause a huge explosion. I've see petrol (gas) stations on fire and it is no fun at all. They go to tremendous lengths to avoid the possibility of static electricity sparks in the hoses and canules of petrol stations but sometimes it happens - I sometimes create a spark when I touch the car and wonder how dangerous it is for me to fill up sometimes.