In Italy, one business is looking to use hydrogen to help heat properties. The Giacomini Group's Federico Fioroni told CNBC that the company's work on hydrogen dates back to the early 2000s, as part of a wider project looking at different sustainable sources of energy.
"The aim of the project was to develop a sustainable, zero emissions system for heat production," Fioroni said.
One of the results of the project has been the development of what Fioroni said was a "catalytic boiler which converts hydrogen into heat power."
Giacomini has developed a catalytic combustor that it says is a condensation boiler based on an "innovative catalytic hydrogen burner."
This burner is powered by gaseous hydrogen, which is used as a fuel, and atmospheric air. A catalytic reaction takes place, combines the hydrogen and oxygen and produces both heat and water in the form of steam. Giacomini's Samuele Molina described it as a "real zero emission system."