The potential for low-carbon renewable methane as a transport fuel in France, Italy, and Spain Chelsea Baldino, Nikita Pavlenko, and Stephanie Searle, and Adam Christensen | November 2018 Download the report
Breathing Easy: A Survey of Zero Emission Buses Across America Elliott Popel | August 2018 Download the report
Biogas as a vehicle fuel in commuter buses – Life cycle cost and green house gas study Tuula Kajolinna | August 2012 Download the report
In-Use Performance Comparison of Hybrid Electric, CNG, and Diesel Buses at New York City Transit Robb A. Barnitt | June 2008 Download the report
Analysis of Electric Drive Technologies for Transit Applications: Battery-Electric, Hybrid-Electric, and Fuel Cells Lisa Callaghan | August 2005 Download the report