The Horizon 2020 prizes aimed at the development of retrofit and engines that would reduce pollution. The Retrofit prize had a winner, while the Engine prize not. In this paper we present the innovations that were tested at the Joint Research Centre (JRC) of the European Commission, and not awarded. One was a “condensation” aftertreatment device, two were devices inserted in the fuel supply system, and one a selective catalytic reduction (SCR) for NOx system. The testing of the “condensation” aftertreatment device showed that it could not withstand the high exhaust gas temperatures. The results of the two fuel systems showed that they could not control efficiently the NOx emissions. The reductions of the pollutants were negligible for the levels that the prizes were aiming. The SCR system did not achieve any significant reduction of NOx, probably due to a malfunction of the device.
EUROPEAN COMMISSION. Horizon prize for the cleanest engine retrofit. Available online (last accessed on 18 Jan 2022).
EUROPEAN COMMISSION. Horizon prize for the cleanest engine of the future. Available online (last accessed on 18 Jan 2022).
GIECHASKIEL, B., SUAREZ-BERTOA, R., LAHDE, T. et al. Evaluation of NOx emissions of a retrofitted Euro 5 passenger car for the Horizon prize “Engine retrofit”. Environmental Research. 2018, 166, 298-309.
GIECHASKIEL, B., SUAREZ-BERTOA, R., LAHDE, T. et al. Emissions of a Euro 6b Diesel passenger car retrofitted with a solid ammonia reduction system. Atmosphere. 2019, 10, 180.
FONTARAS, G., PAVLOVIC, J., CARRIERO, M. et al. Joint Research Centre 2018 light-duty vehicles emissions testing. Contribution to the EU market surveillance: testing protocols and vehicle emissions performance EUR29897 EN, Publications Office of the European Union, Luxembourg, 2019., JRC117625.
MAUNULA, T. Combination of LNT and SCR for NOx reduction in passenger car applications. Combustion Engines. 2014, 157(2), 60-67.
WITTKA, T., HOLDERBAUM, B. Potentials for NOx and CO2 reduction of combined NSC + passive SCR system in Diesel passenger car application. Combustion Engines. 2014, 157(2), 68-76.
BARROS, S., ATKINSON, W., PIDURU, N. Extraction of liquid water from the exhaust of a diesel engine. SAE Technical Paper. 2015. 2015-01-2806.
OOMMEN, L.P., KUMAR, G.N. A study on the effect of magnetic field on the properties and combustion of hydrocarbon fuels. International Journal of Mechanical and Production Engineering Research and Development. 2019, 9(3), 89-98.
NOTTI, E., SALA, A. Fuel saving and emission reduction in fisheries: Results of the experimentation of a new magnetic device onboard fishing vessel. 2014 Oceans – St. John's, 2014, 1-5.
LA ROCCA, A., FERRANTE, A., HAFFNER-STATON, E. et al. Investigating the impact of copper leaching on combustion characteristics and particulate emissions in HPCR diesel engines, Fuel. 2020, 263, 116719,
JAWORSKI, P., JAROSIŃSKI, S., CORTES CAPETILLO, A. et al. SCR systems for NOx reduction in heavy and light duty vehicles. Combustion Engines. 2016, 164(1), 32-36.
TRIANTAFYLLOPOULOS, G., KATSAOUNIS, D., KARAMITROS, D. et al. Experimental assessment of the potential to decrease diesel NOx emissions beyond minimum requirements for Euro 6 Real Drive Emissions (RDE) compliance. Science of The Total Environment. 2018, 618, 1400-1407.
CZERWINSKI, J., MAYER, A., HEEB, N. Quality test procedures & emissions with DPF+SCR systems. Energy Power. 2014, 4(1A), 11-31.
DZIDA, J., BRZEŻAŃSKI, M. An analysis of SCR reactor deactivation impact on NOx emissions from a compression ignition engine. Combustion Engines. 2019, 178(3), 208-212.