https://www.bruker.com/en/resources/library/application-notes-mr/environmentally-persistent-free-radicals-associated-with-fossil-fuel-combustion.html
Environmentally persistent free radicals (EPFRs) are toxic products of incomplete combustion. They form on particulate matter through interactions with...
fossil fuel combustionfree radicalsenvironmentallypersistentassociated
https://www.springerprofessional.de/en/advancing-internal-combustion-engines-and-fuel-innovation-a-modu/27273068
The upcoming automotive emission regulations require a rapid transition to near-zero emission vehicles, making it increasingly necessary to
internal combustion enginesadvancingfuelinnovationmodular