UCLA, ARB, WVU measure on-road particle numbers for heavy-duty diesel and CNG trucks in California

Green Car Congress
By mmillikinJun 3, 2017, 7:00 am258 pts
In a new study, a team from UCLA, with colleagues from the California Air Resources Board (ARB) and West Virginia University, measured total particle number emission factors (PNEFs) from six newly certified heavy-duty vehicles (HDVs) powered by diesel and CNG totaling over 6,800 miles of on-road operation in…

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