Albert Widmann with the car engine running. He had nearly died of carbon monoxide poisoning from the exhaust fumes. This engine exhaust testing inspired the development of gas vans. Back in Berlin, Reinhard Heydrich immediately set to work within the RSHA for the development of, in the words of Heydrich's subordinate Walter Rauff, a "more humane method of execution" than the "Einsatzgruppen" firing squads which had been used. When a prototype gas van was driven to KTI, Widmann explained to his young chemists that by adjusting the timing of the ignition, one could maximize the amount of poisonous carbon monoxide in the
What Car? car if they drive it gently and stick to speed limits, but don't resort to any unrealistically slow acceleration or special hypermiling techniques. These True MPG figures are published alongside the official government fuel economy data, that car manufacturers are legally obliged to include in brochures. In June 2012, "What Car?" launched an online car buying service called 'What Car Approved Used', which it claimed provides "peace of mind" to car buyers, by endorsing the "10 Points of Difference" promoted by the "National Franchised Dealers Association". The agreement came to a close in July 2015, and "What Car?" began to