Icon: The Spherical Fuel Tank of the Porsche 909 Bergspyder

In 1968, Porsche entered its lightest ever racing car, the 909 Bergspyder, into competition. One of the secrets behind its light weight was the titanium spherical fuel tank.In 1968, Porsche entered its lightest ever racing car, the 909 Bergspyder, into competition. One of the secrets behind its light weight was the titanium spherical fuel tank.