The hydrogen credit, which provides as much as $3-per-kilogram of production, is meant to spur a domestic industry for the clean-burning fuel, which is seen as a critical for decarbonizing steel, cement and heavy transportation.

Source: https://seekingalpha.com/article/4659454-plug-power-business-looking-unviable?source=feed_all_articles

This is described as a safe, cost-effective and clean-burning renewable fuel which can be stored in cylinders to help decarbonise the normally hard-to-reach properties not connected to the UK’s national gas grid.

Source: https://www.gazettelive.co.uk/news/teesside-news/projects-pipeline-massive-teesworks-complex-28126157