H
Hector Maldonado
Researcher at California Air Resources Board
Publications - 19
Citations - 1207
Hector Maldonado is an academic researcher from California Air Resources Board. The author has contributed to research in topics: Diesel particulate filter & Diesel fuel. The author has an hindex of 13, co-authored 19 publications receiving 994 citations. Previous affiliations of Hector Maldonado include California Environmental Protection Agency.
Papers
More filters
Journal ArticleDOI
Gas- and particle-phase primary emissions from in-use, on-road gasoline and diesel vehicles
Andrew A. May,Ngoc T. Nguyen,Albert A. Presto,T. D. Gordon,Eric M. Lipsky,Eric M. Lipsky,Mrunmayi Karve,Alváro Gutierrez,William H. Robertson,Mang Zhang,Christopher Brandow,Oliver Chang,Shiyan Chen,Pablo Cicero-Fernandez,Lyman Dinkins,Mark Fuentes,Shiou Mei Huang,Richard Ling,Jeffrey R. Long,Christine Maddox,John Massetti,Eileen McCauley,Antonio H. Miguel,Kwangsam Na,Richard Ong,Yanbo Pang,Paul Rieger,Todd Sax,Tin Truong,Thu Vo,S. Chattopadhyay,Hector Maldonado,M. Matti Maricq,Allen L. Robinson +33 more
TL;DR: In this paper, tailpipe emissions from sixty-four unique light-duty gasoline vehicles (LDGVs) spanning model years 1987-2012, two medium-duty diesel vehicles and three heavy duty diesel vehicles with varying levels of aftertreatment were characterized at the California Air Resources Board Haagen-Smit and Heavy-Duty Engine Testing Laboratories.
Journal ArticleDOI
Comparison of Gasoline Direct-Injection (GDI) and Port Fuel Injection (PFI) Vehicle Emissions: Emission Certification Standards, Cold-Start, Secondary Organic Aerosol Formation Potential, and Potential Climate Impacts
Georges Saliba,Rawad Saleh,Yunliang Zhao,Albert A. Presto,Andrew T. Lambe,Bruce Frodin,Satya Sardar,Hector Maldonado,Christine Maddox,Andrew A. May,Greg T. Drozd,Allen H. Goldstein,Lynn M. Russell,Fabian Hagen,Allen L. Robinson +14 more
TL;DR: Switching from PFI to GDI vehicles will likely lead to a reduction in net global warming, and cold-start contributes a larger fraction of the total unified cycle emissions for vehicles meeting more-stringent emission standards.
Journal ArticleDOI
Secondary organic aerosol formation exceeds primary particulate matter emissions for light-duty gasoline vehicles
T. D. Gordon,Albert A. Presto,Andrew A. May,Andrew A. May,Ngoc T. Nguyen,Eric M. Lipsky,Neil M. Donahue,A. Gutierrez,Mang Zhang,Christine Maddox,Paul Rieger,S. Chattopadhyay,Hector Maldonado,M. Matti Maricq,Allen L. Robinson +14 more
TL;DR: In this paper, the effects of photochemical aging on emissions from 15 light-duty gasoline vehicles were investigated using a smog chamber to probe the critical link between the tailpipe and ambient atmosphere.
Journal ArticleDOI
Secondary organic aerosol production from diesel vehicle exhaust: impact of aftertreatment, fuel chemistry and driving cycle
T. D. Gordon,Albert A. Presto,Ngoc T. Nguyen,William H. Robertson,Kwangsam Na,K. N. Sahay,Mang Zhang,Christine Maddox,Paul Rieger,S. Chattopadhyay,Hector Maldonado,M. Matti Maricq,Allen L. Robinson +12 more
TL;DR: In this article, the secondary organic aerosol (SOA) production from dilute emissions from two medium-duty diesel vehicles (MDDVs) and three heavy-duty Diesel vehicles (HDDVs), under urban-like conditions, was investigated.
Journal ArticleDOI
Evaluation and Comparison of Portable Emissions Measurement Systems and Federal Reference Methods for Emissions from a Back-Up Generator and a Diesel Truck Operated on a Chassis Dynamometer
Thomas D. Durbin,Kent C. Johnson,David R. Cocker,J. Wayne Miller,Hector Maldonado,Atul Shah,Carl D. Ensfield,Christopher S. Weaver,Mike Akard,Neal Harvey,James Symon,Thomas Lanni,William D. Bachalo,Greg Payne,Greg Smallwood,Manfred Linke +15 more
TL;DR: In this study, four commercial PEMS were compared with a Federal Reference Method for measuring emissions from a back-up generator over steady-state loads and a diesel truck on transient and steady- state chassis dynamometer tests.