{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Olin M"],"funding":["Academy of Finland","Jane ja Aatos Erkon S??ti?"],"pagination":["8911-8920"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10286313"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["57(24)"],"pubmed_abstract":["Particle number emission factors were determined for hundreds of individual diesel and gasoline vehicles in their real operation on Finnish highways and regional roads in 2020 with one-by-one chase measurements and Robust Regression Plume Analysis (RRPA). RRPA is a rapid way to analyze data from a large number of vehicle chases automatically. The particle number emission factors were determined for four ranges of particle diameters (>1.3, > 2.5, > 10, and >23 nm). The emission factors for most of the measured vehicles were observed to significantly exceed the non-volatile particle number limits used in the most recent European emission regulation levels, for both light-duty and heavy-duty vehicles. Additionally, most of the newest vehicles (covering regulation levels up to Euro 6), for whi"],"journal":["Environmental science & technology"],"pubmed_title":["High Particle Number Emissions Determined with Robust Regression Plume Analysis (RRPA) from Hundreds of Vehicle Chases."],"pmcid":["PMC10286313"],"funding_grant_id":["322120","337551","337550","325022"],"pubmed_authors":["Karjalainen P","Marjanen P","Oikarinen H","Olin M","Mikkonen S"],"additional_accession":[]},"is_claimable":false,"name":"High Particle Number Emissions Determined with Robust Regression Plume Analysis (RRPA) from Hundreds of Vehicle Chases.","description":"Particle number emission factors were determined for hundreds of individual diesel and gasoline vehicles in their real operation on Finnish highways and regional roads in 2020 with one-by-one chase measurements and Robust Regression Plume Analysis (RRPA). RRPA is a rapid way to analyze data from a large number of vehicle chases automatically. The particle number emission factors were determined for four ranges of particle diameters (>1.3, > 2.5, > 10, and >23 nm). The emission factors for most of the measured vehicles were observed to significantly exceed the non-volatile particle number limits used in the most recent European emission regulation levels, for both light-duty and heavy-duty vehicles. Additionally, most of the newest vehicles (covering regulation levels up to Euro 6), for whi","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Jun","modification":"2025-05-29T22:29:32.663Z","creation":"2025-05-29T22:29:32.663Z"},"accession":"S-EPMC10286313","cross_references":{"pubmed":["37282503"],"doi":["10.1021/acs.est.2c08198"]}}