DOE: highway vehicles responsible for a declining share of pollutants

Green Car Congress
By mmillikinOct 10, 2017, 5:00 am110 pts
Highway vehicles are responsible for a declining share of pollutants in the US, according to data gathered by the US Department of Energy (DOE). More than half of all carbon monoxide (CO) emissions in 2002 were from highway vehicles; by 2016 that fell to 30%. The share of nitrogen oxides (NOx) emissions from…

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