„… knock keep control over the auto-ignition process reduce NOx & soot emissions ensure cold-start/-run …” „… reduction of engine-out emissions of NOx and soot (primarily compression-ignition engine). As illustrated in …” „… the CI engine, the simultaneous reduction of engine-out soot and NOx emissions is the primary …”

„… injection strategies are implemented to achieve low-temperature combustion aiming for reduced NOx and soot …” „… recirculation, which can effectively reduce NOx emissions, the classical soot/NOx trade-off curve of CI engine …” „… combustion can be shifted towards significantly lower values for both soot and NOx emissions (Boot et al …”

„… 40. The need for a long injection duration can cause higher NOx production and intensified formation …” „… very short (due to the high CN of ∼100), nearly soot-free combustion with very low NOx levels have been …” „… dibutylether, there is reasonable hope that such oxygenated fuels will enable nearly NOx- and soot-free …”

„… dilution tolerance of hydrogen combustion (Figure 12). Pure lean operation without NOx-aftertreatment …” „… requires excess air ratio values of approx. λ≥2.5 to achieve tailpipe NOx emissions suitable for passenger …” „… with very low tailpipe NOx emissions comparable to a gasoline λ=1 engine. Figure 13 Water injection …”

„… System To avoid excessive NOx emission, two major trends in H2 combustion systems development are present …”

„… abgegeben. Das Stickstoffoxid in den Rauchgasen wird dann durch eine katalytische DeNOx-Anlage in …” „… nWindsichter Kaltluft Gewebefilter 1 Gewebefilter 2 de-NOX-Anlage de-SOX-Anlage (Gaswäscher) Thermische …”

„… in comparison to 2020 especially for Nitrogen Oxides (NOx), Particle Mass (PM) and Particle Number …” „… this simple electrical heating measure is obvious and shown in fig. 10 (right): - NOx emission below …” „… , Oliver; RÖESEL, Gerd; ZHANG, Hong: “Super Clean Electrified Diesel: Towards Real NOx Emissions below 35 …”

„… , new legislations on NOx and CO2, zero emission zones and noise zones will be enabled through …”

„… erfolgt die NOx-Umsetzung mithilfe des Reduktionsmittels Ammoniak. Das Mitführen von Ammoniak in …” „… ] UNECE Richtlinie No. 132 zur Nachrüstung von Partikel- und NOx-reduzierenden …” „… Abgasnachbehandlungssystemen beschreibt die neue TRGS sogenannte DeNOx-Systeme. Dabei handelt es sich um …”