Commercialisation of hydrogen is seen as possible once it can be produced for less than $2 a kilogram – H₂ under $2, a milestone that global producers are many multiples away from.The two largest components of producing hydrogen are electrolysers and the cost of energy, though a rapid increase in zero emission energy generation has significantly weighed on wholesale electricity prices.Despite the timetable, many companies are moving aggressively to position for the expected rise of the fuel source.Ampol last year unveiled a strategy to eventually shift from a traditional petrol and diesel retailer to a low-carbon provider of power for electric vehicles and hydrogen, utilising its refining sites and nationwide distribution network.It is also planning a green hydrogen plant next to its Brisbane oil refinery, partnering with a start-up in hydrogen-based micro-generation and storage,…