If you can smell gasoline after filling up, your vehicle’s evaporative emissions system should be checked for leaks

If you can smell gasoline FUMES after filling up

Explanation:

Gasoline fumes is what you smell when you are filling up or fuel tank or when you are filling up a petrol tanker at the depot.

it is not a normal situation to still smell a gasoline fume inside your vehicle after filling up and covering the fuel tank, this is a sign that your evaporators/evaporator emission system should be checked properly to avoid a fire hazard. gasoline is a very inflammable liquid and a saturated gasoline fume can cause as a serious fire outbreak in a place which leads to destruction of properties and in some cases loss of lives.

most liquid emit fumes as well. fumes are gases been emitted from liquid products that are dangerous to inhale and as in the case of gasoline might cause a serious hazard.