10:30 am - 10:50 am The Key Factors of Innovative Diesel Combustion Systems for Achieving Future Emissions and High Efficiency G. Belgiorno, V. Ottria, F. Pesce, A. Vassallo - Dumarey Automotive Italia; G. Di Blasio, R. Ianniello, M. Pipicelli, C. Beatrice - STEMS - CNR 10:50 am - 11:10 am Numerical assessment of a hydrogen HPDI combustion system G. Quattrone, A. Piano, F. Millo - Politecnico di Torino 11:10 am - 11:30 am Experimental Assessment of Additive-Manufactured Ducted Fuel Injection Combustion System for Medium-Duty Diesel Engine Achieving Ultra-Low Emissions G. Belgiorno, V. Ottria, M. Alletto, F. Pesce, L. Buzzi, A. Vassallo - Dumarey Automotive Italia 11:30 am - 11:50 am Towards carbon-free ICEs: premixed ammonia ignited with an active pre-chamber and the recuperated split-cycle concept L. Sforza, G. Gianetti, T. Lucchini, G. D'Errico - Politecnico di Milano 11:50 am - 12:10 pm Numerical investigation of the combustion process on prechamber systems for high-speed large bore gas engines M. Zanatta, A. Piano, A. Scalambro, F. Millo - Politecnico di Torino; F. Accurso, F. Pesce, M. Luci - Dumarey Automotive Italia