| February 01, 2019 Zero-Emission Bus Evaluation Results: King County Metro Battery Electric Buses (Report 00118)
| September 14, 2019 Transit Bus Applications of Lithium Ion Batteries: Progress and Prospects (Report 0024)
| September 14, 2019 In-Use Performance Comparison of Hybrid Electric, CNG, and Diesel Buses at New York City Transit
| September 14, 2019 Long Beach Transit: Two-Year Evaluation of Gasoline-Electric Hybrid Transit Buses