Robert A. Okamoto

Emissions of Toxic Pollutants from Compressed Natural Gas and Low Sulfur Diesel-Fueled Heavy-Duty Transit Buses Tested over Multiple Driving Cycles

Norman Y. Kado, Robert A. Okamoto, Paul A. Kuzmicky et al. · Environmental Science & Technology · 2005 · 124 citations

Diesel and CNG Heavy-duty Transit Bus Emissions over Multiple Driving Schedules: Regulated Pollutants and Project Overview

Alberto Ayala, Norman Y. Kado, Robert A. Okamoto et al. · SAE technical papers on CD-ROM/SAE technical paper series · 2002 · 96 citations

Polycyclic aromatic hydrocarbons in a bioassay-fractionated extract of PM10 collected in São Paulo, Brazil

Bruno Spinosa De Martinis, Robert A. Okamoto, Norman Y. Kado et al. · Atmospheric Environment · 2002 · 70 citations

Environmental Chemistry, Engineering, Bioassay-fractionated Extract +12

Genotoxicity of fractionated organic material in airborne particles from São Paulo, Brazil

Bruno Spinosa De Martinis, Norman Y. Kado, Lilian Rothschild Franco de Carvalho et al. · Mutation Research/Genetic Toxicology and Environmental Mutagenesis · 1999 · 63 citations

Environmental Chemistry, Engineering, Fractionated Organic Material +14

Evaluation of the Impacts of Biodiesel and Second Generation Biofuels on NO_x Emissions for CARB Diesel Fuels

Maryam Hajbabaei, Kent C. Johnson, Robert A. Okamoto et al. · Environmental Science & Technology · 2012 · 61 citations