Quick Q folks

When I fill up and undo the fuel cap there is an almighty woosh of pertol infused gas rushing out to meet me. Is this normal ? shouldnt the tank be vented in some way. My other cars dont do this.

I presume its petrol evaporating in the tank?


Bonesie

Current stead -'The Captain' Black +4

'Life is like a garden, dig it' *Joe Dirt farmer