Real-world NOx emissions from heavy-duty diesel, natural gas, and diesel hybrid electric vehicles of different vocations on California roadways C McCaffery, H Zhu, T Tang, C Li, G Karavalakis, S Cao, A Oshinuga, ... Science of the Total Environment 784, 147224, 2021 | 69 | 2021 |
Impacts of gasoline aromatic and ethanol levels on the emissions from GDI vehicles: Part 2. Influence on particulate matter, black carbon, and nanoparticle emissions J Yang, P Roth, H Zhu, TD Durbin, G Karavalakis Fuel 252, 812-820, 2019 | 60 | 2019 |
On-road gaseous and particulate emissions from GDI vehicles with and without gasoline particulate filters (GPFs) using portable emissions measurement systems (PEMS) C McCaffery, H Zhu, C Li, TD Durbin, KC Johnson, H Jung, R Brezny, ... Science of the Total Environment 710, 136366, 2020 | 46 | 2020 |
Effects of hydrogenated vegetable oil (HVO) and HVO/biodiesel blends on the physicochemical and toxicological properties of emissions from an off-road heavy-duty diesel engine C McCaffery, H Zhu, CMS Ahmed, A Canchola, JY Chen, C Li, ... Fuel 323, 124283, 2022 | 33 | 2022 |
Sources of air pollutants from a Tier 2 ocean-going container vessel: Main engine, auxiliary engine, and auxiliary boiler C McCaffery, H Zhu, G Karavalakis, TD Durbin, JW Miller, KC Johnson Atmospheric Environment 245, 118023, 2021 | 32 | 2021 |
Characterizing emission rates of regulated and unregulated pollutants from two ultra-low NOx CNG heavy-duty vehicles H Zhu, C McCaffery, J Yang, C Li, G Karavalakis, KC Johnson, TD Durbin Fuel 277, 118192, 2020 | 25 | 2020 |
The impact of hydrogenated vegetable oil (HVO) on the formation of secondary organic aerosol (SOA) from in-use heavy-duty diesel vehicles S Ghadimi, H Zhu, TD Durbin, DR Cocker, G Karavalakis Science of The Total Environment 822, 153583, 2022 | 13 | 2022 |
Yard tractors: Their path to zero emissions C Li, P Dixit, B Welch, A Nigam, B Soriano, J Lee, RL Russell, Y Jiang, ... Transportation Research Part D: Transport and Environment 98, 102972, 2021 | 8 | 2021 |
On-road NOx and NH3 emissions measurements from in-use heavy-duty diesel and natural gas trucks in the South Coast air Basin of California H Zhu, T Ma, Z Toumasatos, S Cao, G Karavalakis, KC Johnson, T Durbin Atmospheric Environment 316, 120179, 2024 | 6 | 2024 |
Real world emissions from Tier 4F Off-Road construction equipment H Zhu, G Scora, G Karavalakis, K Johnson, R Russell, T Durbin SAE Technical Paper, 2022 | 4 | 2022 |
Exceedances of secondary aerosol formation from in-use natural gas heavy-duty vehicles compared to diesel heavy-duty vehicles S Ghadimi, H Zhu, TD Durbin, DR Cocker III, G Karavalakis Environmental Science & Technology 57 (48), 19979-19989, 2023 | 3 | 2023 |
Development of an Engine Power Binning Method for Characterizing PM2.5 and NOx Emissions for Off-Road Construction Equipment with DPF and SCR Q Yao, S Yoon, Y Tan, L Liu, J Herner, G Scora, R Russell, H Zhu, ... Atmosphere 13 (6), 975, 2022 | 1 | 2022 |
Emissions from heavy-duty diesel, natural gas, and diesel-hybrid electric vehicles–Part 1. NOx, N2O and NH3 emissions H Zhu, C Li, C McCaffery, S Cao, KC Johnson, G Karavalakis, T Durbin Fuel 371, 132175, 2024 | | 2024 |
A Comparison Between the Gaseous and Particulate Emissions from Diesel and Natural Gas Yard Tractors T Tang, H Zhu, T Ma, P Hao, TD Durbin, KC Johnson, G Karavalakis Emission Control Science and Technology, 1-13, 2024 | | 2024 |
Real-world particulate, GHG, and gaseous toxic emissions from heavy-duty diesel and natural gas vehicles Z Toumasatos, H Zhu, TD Durbin, KC Johnson, S Cao, G Karavalakis Atmospheric Environment 327, 120512, 2024 | | 2024 |
Supplementary material of chapter 2 S Ghadimi, H Zhu, TD Durbin, DR Cocker, G Karavalakis Secondary Aerosol Formation From Mobile Sources and a Biogenic Precursor, 47, 2023 | | 2023 |
In-Use Emissions From Heavy Duty Off-Road Equipment and On-Road Vehicles H Zhu University of California, Riverside, 2023 | | 2023 |