French energy group TotalEnergies SE (<a href="https://live.euronext.com/en/product/equities/FR0000120271-XPAR" target="_blank">EPA:TTE</a>) and US industrial gases and chemical company Air Products (<a href="https://www.nasdaq.com/market-activity/stocks/apd" target="_blank">NYSE:APD</a>) have signed a 15-year agreement, under which Air Products will deliver 70,000 tonnes of green hydrogen a year starting in 2030 to TotalEnergies’ Northern European refineries.