Y.-F. Liu

Performance and emission characteristics of a hydrogen-enriched compressed-natural-gas direct-injection spark ignition engine diluted with exhaust gas recirculation

K. Zeng, Zhiyong Huang, Y.-F. Liu, 2012 .

Combustion characteristics and particulate emission in a natural-gas direct-injection engine: Effects of the injection timing and the spark timing

Zuohua Huang, L. Liu, Zuo-hua Huang, 2010 .