steel-decarbonization
(2)
Carba
Carba is a Minneapolis-area climate-tech company that turns low-value waste biomass - dead trees, yard waste, and other biogenic scraps - into a stable, charcoal-like material called biocarbon (biochar). Using a patent-pending autothermal pyrolysis reactor and an anoxic (oxygen-starved) burial method, Carba locks carbon away for a certified 1,000+ years, most notably inside existing landfills where the material can also filter pollutants. The company sells the resulting permanent carbon-removal credits - including a five-year, 44,000-tonne deal with Microsoft - and aims to remove a billion tons of CO2 by 2035.
Utility Global
Utility Global is a Houston-based clean-energy technology company whose proprietary eXERO platform and H2Gen system produce high-purity hydrogen and a capture-ready CO2 stream from industrial off-gases and biogases - without using external electricity. By bolting onto the existing infrastructure of steel mills, refineries, petrochemical plants and other hard-to-abate sites, the company aims to make industrial decarbonization economically competitive with fossil-based hydrogen rather than dependent on subsidies or pilots.