| September 14, 2019 The potential for low-carbon renewable methane as a transport fuel in France, Italy, and Spain
| September 14, 2019 Wayside Charging and Hydrogen Hybrid Bus: Extending the Range of Electric Shuttle Buses (Report 0028)
| September 14, 2019 In-Use Performance Comparison of Hybrid Electric, CNG, and Diesel Buses at New York City Transit
| September 14, 2019 The Transit Bus Niche Market For Alternative Fuels: Module 3: Overview of Compressed Natural Gas as a Transit Bus Fuel