[unixfox]

So starting in the 80s cars started making hatches that could only be opened from inside the car.

I've got a 2007 Cadillac CTS (not that I'll ever buy another GM product again in my life)that has no lock. Anybody could open it from the outside.

I guess they figure if you can afford a cadillac you can afford to have your gas stolen.

[Chode]

my 2006 Pontiac didn't have one either but my new Hyundai does... go figure

[UCANSEE2]

I've got a 2007 Cadillac CTS (not that I'll ever buy another GM product again in my life)that has no lock. Anybody could open it from the outside.

True, but it will do them no good.

Due to the gas 'theft' problem, all car manufacturers started putting 'screens' in the gasoline tank filler hose. This prevents anyone from siphoning gas out of the tank. No need for locking caps.