Volkswagen Appoints New Chief Executive

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Volkswagen has appointed former Porsche boss Matthias Mueller as its new chief executive. He replaces Martin Winkerkorn, who quit on Wednesday after the US Environmental Protection Agency declared VW had been cheating the results of emissions tests. We'll have the latest, with analysis from Jim Holder, editorial director at Haymarket Automotive. At a press conference in the US today, China's president, Xi Jinping, has announced that China will set up a national carbon trading scheme. It will see Chinese firms charged for emitting pollutants beyond a certain level. We speak to Anja Kollmuss, climate policy coordinator at Climate Action Network Europe. On Sunday, the north-eastern region of Catalonia in Spain will hold an election. But it's not going to be an ordinary vote: nationalist politicians are using it as a vote on independence and if they win, they plan to break away from the rest of Spain by 2017. Over the past week there have been warnings from both Spain's central bank governor and several business leaders that Catalonia may have to leave the Euro if it does establish itself as an independent state. The BBC's Guy Hedgecoe reports from Barcelona. And for our usual review of the week's events, we're joined by Stanley Pignal, banking editor at The Economist in London, and John Bussey, associate editor of The Wall Street Journal in New York.