US solid oxide specialist Bloom Energy Inc (<a href="https://www.nyse.com/quote/XNYS:BE" target="_blank">NYSE:BE</a>) and Shell plc (<a href="https://www.londonstockexchange.com/stock/SHEL/shell-plc/company-page" target="_blank">LON:SHELL</a>) will partner to explore opportunities in green hydrogen for potential use at the sites of the British oil giant.