NEWS BMW begins sourcing for solar-powered aluminium NEWS Audi Aluminium Closed Loop cuts carbon emissions FEATURES Engine blocks: Why aren’t cast iron ones more widely used? NEWS New Porsche 718 Cayman GT4 Clubsport has organic-fibre body parts FEATURES Periodic table of elements used to construct a car NEWS Bugatti develops the world’s first brake calliper to be produced by 3D printer FEATURES Interesting facts and figures about making gearboxes in the Volkswagen Group FEATURES Bamboo could be part of your next car’s interior REVIEWS Jaguar XJ takes on the Audi A8 FEATURES Aluminium limousines