Manufacturing

Brimstone’s Cement Pitch Hides A Bigger Minerals Refinery Bet

Brimstone’s cement story is interesting because it is not only a cement story. The company’s public positioning is now much bigger than ordinary Portland cement without limestone process CO₂. Brimstone is presenting itself as a Rock Refinery: a process that starts with calcium-bearing silicate rock and co-produces multiple industrial materials … [continued]

LDEQ Must Conduct Full Environmental Justice Analysis of Hyundai Steel Facility

Air Permit Application Lacks Meaningful EJ Analysis After Company Removed Original, Flawed Version. Donaldsonville, La. — Sierra Club and its Delta Chapter called on the Louisiana Department of Environmental Quality (LDEQ) to conduct a project-specific environmental justice analysis of Hyundai Steel’s proposed facility in Louisiana. The request comes after the company … [continued]

Wrightbus Shows Hydrogen Bus Hype Turning Into An Electric Bus Business

A hydrogen bus fire in Crawley should not be turned into a simple hydrogen-cause story. That would be sloppy, and the investigation needs to run its course. But it is a useful hook for the real transit lesson: a small hydrogen fleet can create a large operational support problem, and … [continued]

Batteries Don’t Need To Electrify Every Ship To Reshape Shipping Fuels

A useful paper has landed in the Nature family on the techno-economics of electrifying short-sea shipping, and the result should make the maritime fuel debate a little less vague. The paper does not claim that every ship becomes battery-electric. It does not need to. It finds that by 2030 a … [continued]

Steel Needs A Route Transition, Not A Hydrogen Story

Steel decarbonization keeps being pulled into the wrong conversation. Call it a future hydrogen market, and the discussion moves quickly to electrolyzers, pipelines, storage caverns, offtake contracts, national hydrogen strategies, and industrial-policy speeches looking for a customer. That framing is convenient for hydrogen advocates, but it is not how the … [continued]

Steel’s Future Starts With Demand, Scrap, And Electricity, Not Hydrogen

Steel keeps getting framed as a hydrogen problem because hydrogen gives the sector a single shiny lever. Replace coal with hydrogen, keep making new iron, plug it into an electric arc furnace, and declare victory somewhere around the ribbon-cutting ceremony. It is an attractive story for governments, incumbent producers, electrolyzer … [continued]