1. Ariyoshi, M., Fukui, Y., Kusaka, J. and Daisho, Y., The effect of dilution with CO2, N2, H2O and H2 on spark-ignited combustion, Proceedings of the 48th Symposium on Combustion, Combustion Society of Japan, December, Fukuoka (2010), pp. 244-245 (in Japanese).
2. Ashida, K., Maeda, H., Araki, T., Hoshino, M., Hiraya, K., Izumi, T. and Yasuoka, M., Study of an on-board fuel reformer and hydrogen-added EGR combustion in a gasoline engine, SAE International Journal of Fuels Lubricants, Vol. 8, Issue 2 (2015), pp. 358-366.
3. Fukunaga, T., Katsuno, H., Matsumoto, H., Takahashi, O. and Akai, Y., Development of kerosene fuel processing system for PEFC, Catalysis Today, Vol. 84 (2003), pp. 197-200.
4. Funami, S., Sasaki, J., Tuchida, J., Tanaka, K. and Konno, M., Effect of hydrogen addition on a lean burn SI engine, Conference (Autumn) Proceedings of the Society of Automotive Engineers of Japan, No. 144 (2016), pp. 751-756 (in Japanese).
5. Hirata, K., Sono, Y., Okuhigashi, Y., Shinoki, T. and Funaki, J., Hydrogen production from ethanol by ethanol-steam reforming with Cu/ZnO/Al2O3, Transactions of the Japan Society of Mechanical Engineers, Series B, Vol.16, No. 763 (2010), pp. 412-414 (in Japanese).