Sweden's Volvo made the three-point seatbelt design pat 25 10, 3:15pm

@Tjalve That unknwon effect is cancelled out by the unknown effect of people who fear dying in a fire trapped by their seat belts. *rolls eyes*

Driving style is barely a rational decission, and most accidents are caused by irrational causes like driving too fast, being intoxicated or not paying attention. This is why self-driving cars are expected to have a dramatic impact on road safety.