Po-Yao Kuo

Frey, H. C., Kuo, P.-Y., & Villa, C. (2009). Effects of Idle Reduction Technologies on Real World Fuel Use and Exhaust Emissions of Idling Long-Haul Trucks. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 43(17), 6875–6881. https://doi.org/10.1021/es900186e

Frey, H. C., & Kuo, P.-Y. (2009). Real-World Energy Use and Emission Rates for Idling Long-Haul Trucks and Selected Idle Reduction Technologies. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, 59(7), 857–864. https://doi.org/10.3155/1047-3289.59.7.857