2016 journal article
Effect of biodiesel fuels on real-world emissions of passenger locomotives
Environmental Science & Technology, 50(21), 12030–12039.
By: B. Graver, H. Frey & J. Hu
2015 journal article
Comparison of over-the-rail and rail yard measurements of diesel locomotives
Environmental Science & Technology, 49(21), 13031–13039.
By: B. Graver & H. Frey
2014 journal article
Method for modeling driving cycles, fuel use, and emissions for over snow vehicles
Environmental Science & Technology, 48(14), 8258–8265.
By: J. Hu, H. Frey, G. Sandhu, B. Graver, G. Bishop, B. Schuchmann, J. Ray
2013 journal article
Comparison of locomotive emissions measured during dynamometer versus rail yard engine load tests
Transportation Research Record, (2341), 23–33.
2011 journal article
In-use measurement of activity, energy use, and emissions of a plug-in hybrid electric vehicle
Environmental Science & Technology, 45(20), 9044–9051.
By: B. Graver, H. Frey & H. Choi