Seat belt 1967, Volvo started to install lap belts in the rear seats. In 1972, Volvo upgraded the rear seat belts to a three-point belt. In crashes, unbelted rear passengers increase the risk of belted front seat occupants' death by nearly five times. As with adult drivers and passengers, the advent of seat belts was accompanied by calls for their use by child occupants, including legislation requiring such use. Generally children using adult seat belts suffer significantly lower injury risk when compared to non-buckled children. The UK extended compulsory seatbelt wearing to child passengers under the age of 14 in 1989. It
Dymaxion car at the entrance to the Chicago Century of Progress World's Fair." Another car, driven by a Chicago South Park Commissioner, had hit the Dymaxion, causing it to roll over – killing the dymaxion's driver (race car driver Francis T. Turner of Birmingham, Alabama) and seriously injuring its passengers: aviation pioneer (and noted spy) William Sempill and Charles Dollfuss, Air Minister of France. The politician's car was quickly and illegally removed from the scene of the accident before reporters arrived. Turner was wearing a seatbelt but was killed when the canvas-covered roof framing collapsed. Dollfuss was not wearing a seatbelt, was