I accidentally drove away without my fuel filler cap in place, will I have spilled petrol?

I forgot to put petrol cap after filling up petrol, then drove for about half an hour and only notice when reverse parking in my driveway. Have I spilled any petrol while I’m driving?

Are electric cars a potential fire hazard?

When driven on to a petroleum forecourt close to the pumps, do EVs potentially represent a possible fire hazard? .