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Diesel pollution vastly underestimated, contributes to global deaths – Usa News

May 16, 2017

Pollution from diesel trucks, buses and cars globally is more than 50 percent higher than levels shown in government lab tests, a new study says.

That extra pollution translated to another 38,000 deaths from soot and smog in 2015, the researchers estimated.

The work published Monday in the journal Nature was a follow-up to the testing that uncovered the Volkswagen diesel emissions cheating scandal. Researchers compared the amount of key pollutants coming out of diesel tailpipes on the road in 10 countries and the European Union to the results of government lab tests for nitrogen oxides.

They calculated that 4.6 million more metric tons was being spewed than the lab-based 8.5 million metric tons. Governments routinely test new vehicles to make sure they meet pollution limits — > read on


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