NH3 and CO Emissions from Fifteen Euro 6d and Euro 6d-TEMP Gasoline-Fuelled Vehicles
نویسندگان
چکیده
Ammonia (NH3) plays a key role in atmospheric chemistry and largely contributes to the PM2.5 measured urban areas around globe. For that reason, National Emission Ceilings directive, Gothenburg Protocol under United Nations Convention on Long-Range Transboundary Air Pollution, International Panel for Climate Change (IPCC) directive required reduction of emissions NH3. Nonetheless, European Environment Agency (EEA) indicated road transport NH3 have increased. Moreover, recent studies reported that, not only vehicle are greater than agricultural gather > 40% U.S. population, but passenger cars underestimated by factor 17 UK. In this study, fifteen gasoline-fuelled vehicles, meeting most emission standards, Euro 6d or 6d-TEMP, were investigated laboratory tests over type-approval worldwide-harmonized light-duty vehicles test cycle (WLTC), at 23 °C −7 °C, as well motorway Bundesautobahn (BAB). Results show all tested emitted different duty cycles, presented level comparable those previously 4–Euro 6b vehicles. Finally, good agreement between CO was registered during acceleration events, and, general, fair correlation, with R2 0.75, obtained, when comparing studied
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ژورنال
عنوان ژورنال: Catalysts
سال: 2022
ISSN: ['2073-4344']
DOI: https://doi.org/10.3390/catal12030245