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ILLUSTRATION - Fumes stream out of an exhaust pipe of a Diesel car in Hamburg, Germany, 2 May 2017. General driving prohibitions for Diesel vehicles in Hamburg are not planned. Still, two streets will face restrictions, the long-awaited plan for cleaner air (German: 'Luftreinhalteplan') of the senate, which was presented on 2 May 2017, states. Photo: Christophe Gateau/dpa /MediaPunch ***FOR USA ONLY***