A few weeks ago, there was a surge of headlines sparked from a Canadian company which claimed that it could produce green hydrogen at a fraction of current costs – not from renewables – but from burning oil underground. This came with some serious red flags, for several obvious reasons, so we got in touch with the start-up behind the concept – Proton Technologies. Several articles instantly dismissed the idea – one even dubbed it the ‘worst idea ever’ – but we were keen to remain open minded. While questions remain about how ‘Green’ the concept can truly be, it will certainly have lower emissions than ‘Grey’ or ‘Blue’ hydrogen, which use methane steam reforming (the latter with carbon capture).…