Johnson Matthey Plc (<a href="https://www.londonstockexchange.com/stock/JMAT/johnson-matthey-plc/trade-recap" target="_blank">LON:JMAT</a>) has decided to sharply scale back investment in its hydrogen technology division, reducing spending by more than 83% to maintenance levels of no more than GBP 5 million (USD 6.21m/EUR 5.96m) annually, while also considering other options to further de-risk this business.