Air pollution is a major health concern in worldwide. Non-methane volatile organic compounds (NMVOCs) are precursors of secondary air pollutants, with road transport being responsible of ~90% of the EU-27’s NMVOCs transport emissions in 2021. A series of VOC emissions from 17 modern gasoline, Diesel and Plug-in hybrid (PHEV) vehicles were investigated under various driving conditions and temperatures. All tested vehicles meet the latest European emission standard (Euro 6d and Euro 6d-TEMP). The different VOC species were measured with a Fourier-Transform Infrared Analyzer (FTIR). Diesel vehicles presented the lowest VOC emissions, while PHEVs operating in charge sustaining mode, with a depleted battery, exhibited very similar behavior to conventional gasoline.
Among the VOCs, C5 compounds were the primary contributors to total NMVOCs over WLTC at 23 °C for gasoline and PHEV vehicles. A proportional increase in VOC emissions at colder temperatures, affecting all the studied species, was observed. Significant increases were observed for Aromatics, with an important contribution of
FERRARESE Christian;
FRANZETTI Jacopo;
SELLERI Tommaso;
SUAREZ BERTOA Ricardo;
2024-02-19
SPRINGER
JRC135718
2190-4707 (online),
https://enveurope.springeropen.com/articles/10.1186/s12302-024-00854-4,
https://publications.jrc.ec.europa.eu/repository/handle/JRC135718,
10.1186/s12302-024-00854-4 (online),
