gas smell after running on 2004 GMC Envoy

There is a gas smell coming from my car ( near the front doors)when I get home.... They have checked for gas leaks and changed the gas filter. What do we try now?

3 answers
there is a recall on the gas tank. it cracks at the filler neck.my 04 had the same thing.
Have someone check the evaporator on tank.. i hav Replaced several on these vehicles .. also the Fuel cap's do go bad.. and dont vent
turns out the pipes comming out of the fuel pump were rotted out... I had to have the fuel pump replaced.... Smell gone! Thanks for the help and I will watch for these other reasons.