Millstein, Dev E.; Harley, Robert A - Institute for Transportation Studies (ITS), University … - 2009
Diesel exhaust is now one of the largest sources of nitrogen oxide (NOx) emissions, and also contributes significantly … schedule compared to what would be achieved by fleet turnover alone. A side effect of using diesel particle filters (DPF) to … concentrations were found to increase at locations with high diesel truck traffic. Increases in fine particulate nitrate of 3-7% were …