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GCC: Study: curbing diesel emissions could reduce mortality rates in big cities

Posted: Wed Oct 02, 2019 7:32 pm
by GRA ... 1-pan.html

. . . while long-haul trucks account for less than 6% of the vehicle miles traveled over US highways, they account for about 40% of the emissions of air polluting particulate matter and about 55% of nitrogen oxides, the precursor to ozone in the atmosphere, the study said . . .