2010 journal article
Method for in-use measurement and evaluation of the activity, fuel use, electricity use, and emissions of a plug-in hybrid diesel-electric school bus
Environmental Science & Technology, 44(9), 3601–3607.
2009 journal article
Light duty gasoline vehicle emission factors at high transient and constant speeds for short road segments
Transportation Research. Part D, Transport and Environment, 14(8), 610–614.