Norwegian hydrogen technology company Nel ASA (<a href="https://live.euronext.com/en/product/equities/NO0010081235-XOSL" target="_blank">OSE:NEL</a>) on Tuesday said its subsidiary Nel Hydrogen US has received a firm order for two containerised PEM electrolyser units of 2.5 MW each from an undisclosed customer, which is one of the largest US steel producers.