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Global Edition | Issue | Publication April 2025 Stories published in April 2025

Issue 240 April 2025 – Air gases mock up

Welcome to our April issue, which casts a critical eye over that mainstay of industrial gas production, air gases. It has been an interesting 12 months. The story of air separation units (ASUs), which make most of the world’s air gases, is one that’s tied up with energy – its cost and its sourcing. That’s because ASUs are huge uses of electrons, around the clock and all over the world. So even if the ASU tech that separates out air gases is stable and well-understood and generally predictable, the energy side of the equation is anything but.



Green steel may be only 2.5% of market by 2035

Hydrogen-based green steel output could reach 46 million tonnes by 2035, according to a new report from technology research firm IDTechEx. The report highlights how regulation, corporate climate targets, and pressure from sectors like automotive...



2025 US merchant CO2 report

Merchant carbon dioxide (CO2) production will be down in the US in 2025, mostly from plant losses but also the typical sourcing issues encountered every year – normal plant turnarounds that start in March and...



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