Pyro Green-Gas Signs Contracts Totaling $1.3 Million with Global Steel Company to Desulphurize Coke Oven Gas MONTREAL, May 23, 2024 (GLOBE NEWSWIRE) -- PyroGenesis Canada Inc. (http://pyrogenesis.com) (TSX:PYR) (OTCQX:PYRGF) (FRA:8PY), a high-tech company (the “Company” or “PyroGenesis”) that designs,...