%0 Journal Article %T Natural gas-hydrogen hybrid combustion retrofit method and practice for F-class heavy-duty combustion engines %A Zeng, Guofang %A Xu, Zhiwei %A Zhang, Zhaozhao %A Bai, Hongtao %J The Planetary Science Journal %V 5 %N 3 %P 9 %D 2023-09-01 %I IOP Publishing %~ DeepDyve