Hexagon Energy Materials (ASX:HXG) has inked a non-binding early-stage indicative gas supply agreement with Chevron for its WA-based clean ammonia project. Notably, the company’s ‘WAH2 Project‘ was originally meant to be a green hydrogen project – thus its name – but in recent history as enthusiasm for that alternative fuel wanes, the extant ammonia component has become the main focus. Andrew Forrest, chief of Fortescue Metals Group (ASX:FMG), earlier this year wound up his hydrogen division back into the main company. It had been spun out as Fortescue Future Industries (FFI), but that doesn’t…