I grew up using 'petrol' but now use gas.
I also used to pronounce z as "zed" instead of "zee".
Did your parents immigrate here?
Because...
This sounds shitty but, I've always wondered what someone who has lived in another country would think when they walked into an American Wal-Mart.
Must think we're all a bunch of dumb, smelly, waddling, fat fucks.