diesel cars may be worse than petrol for carbon emissions, report claims /

Carbon emissions linked to diesel cars may be up to 50% higher than previously thought,according to new researchDiesel engines may be doing nothing to tedious global warming despite being the spine of Europe’s policy to reduce car emissions, a new report claims.
Tailpipe emissions of sooty ‘black carbon’ could be as much as 25-50% higher than the EU estimates for cars made before 2005, and says the paper by Professor Eckard Helmers of Triers University.
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Source: theguardian.com