New international study finds lab testing of diesel NOx emissions underestimates real-world levels by up to 50%
Green Car Congress
MAY 15, 2017
in collaboration with scientists at the University of York’s Stockholm Environment Institute (SEI); University of Colorado; and the International Institute for Applied Systems Analysis, assessed 30 studies of vehicle emissions under real-world driving conditions in 11 major vehicle markets representing 80% of new diesel vehicle sales in 2015.
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