Jeep Wrangler Engine Gas

I Notice The Smell Of Gas After I Shut Off The Vehicle, There Does Not Appear To Be A Leak I Can Find. It Now Takes Longer To Start. These...

1) I Smell Unburned Gas When Warming Car 2) During Idling, The Engine Sounds What Normally Sounds, Smooth, But When I Take The Car Out...

My Jeep Smells Very Very Stongly Or Gas Fumes Almost Like Propain Its Really Bad When Im Driving Even With The Windows Down Its Even Worse.