In British Columbia, the provincial government has passed what is called Grant's Law. A few years ago Grant DePatie was employed at a gas station and tried to stop a "gas & dash". He was trapped under the car and driven several kilometres, causing his death. All gas pumps in the province now require people to pay at the pump with a credit card or prepay with cash before you pump. It's a tad inconvenient at the start if you are using cash but it totally solves the issue. Paying with a credit card is more convenient as you never have to leave your car and the pump area.