Brimstone’s decarbonized portland cement is the first to meet universally accepted ASTM C150 standards, making net-zero construction possible.

Brimstone was selected for a $189 million investment by the U.S. Department of Energy’s Industrial Demonstrations Program to decarbonize cement.

OAKLAND, Calif., June 30, 2025--Brimstone signed a letter of intent with Oklahoma’s Dolese Bros. Co., to supply materials for its Rock Refinery plant producing cement and alumina.

T he cement industry generates three times more carbon emissions than the aviation industry, the bulk of which come from limestone, which releases CO2 when processed. Manufacturer Brimstone ...