Thurnheer, T., Soltic, P., & Dimopoulos Eggenschwiler, P. (2009). S.I. engine fuelled with gasoline, methane and methane/hydrogen blends: heat release and loss analysis. International Journal of Hydrogen Energy, 34(5), 2494-2503. https://doi.org/10.1016/j.ijhydene.2008.12.048