GLOBAL CLEAN ENERGY, INC. & PROVECTUS ENGINEERED MATERIALS LTD. CONCLUDE INITIAL TESTINGS FOR REDUCTION AND REMOVAL OF SULFER FROM OIL Aug 21, 2023 10:19AM
GLOBAL CLEAN ENERGY, INC. ENTERS INTO A JOINT VENTURE WITH PROVECTUS ENGINEERED MATERIALS LTD. FOR SULFUR REDUCTION AND REMOVING OIL FROM OIL SANDS WITH SONICATION TECHNOLOGY Jul 14, 2023 04:55PM