AUTHOR=Saggese Chiara , Sirignano Mariano , Chen Dongping TITLE=Editorial: Particulate Matter Emissions From Conventional and Reformulated Fuel Combustion: Advances in Experiments and Simulations JOURNAL=Frontiers in Mechanical Engineering VOLUME=8 YEAR=2022 URL=https://www.frontiersin.org/journals/mechanical-engineering/articles/10.3389/fmech.2022.892293 DOI=10.3389/fmech.2022.892293 ISSN=2297-3079