Toyota Camry Tank Leak

Some Time When I Start The Car I Smell Gas, My Mechanic Says The Seal Which Is Around The Gas Tank May Be Leaking, What Kind Of Seal Is It...

Recently My Car Gas Tank Level Was Near Empty. I Put In Nearly Half A Tank Of Gas And Drove About 8-10 Miles And Noticed That The Gas Gauge...

I Smell Gas Very Strong Inside And Outside Of My Car Especially If The Gas Tank Is 3/4 Full Or More. I See No Dripping Under The Car. I See...

When I Get Out Of My Car, And Sometimes When I Am Still In The Car I Can Smell Gas. I Have Notice That My Gas In The Gas Tank Does Not Last...