A new dividing line has opened up in European politics - climate policy. In Germany, entering a city with an old diesel car might not be easy these days, with new rules in place to limit emissions.
One of the major eurosceptic parties, AFD, picked up the issue for the EU election campaign.
They put out billboards all around the country with a message: 'Save Diesel'.
They think the anti-diesel trend is harming poorer members of society and furthermore puts the German car industry at risk.
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