Latest Headlines
RESOURCE STOCKS
✕
ESG

Rio's zest for green steel sees pause for BioIron trial

Calix’s zero emissions steel technology preferred over biomass alternative in the short-term

Haydn Black
Rio's zest for green steel sees pause for BioIron trial

Credits: Rio

Rio Tinto will help develop ASX-listed Calix's Zesty low-emissions steel process after realising its BioIron technology needs more work. The mining house has signed a joint development agreement with...

Start a free trial to continue reading this article

Already have an account?

Subscribe now
RELATED ARTICLES
MORE ON THIS TOPIC

FROM OUR PARTNERS

View more
RESOURCE STOCKS

Excelsior Project Shows Major Gold Potential

RESOURCE STOCKS

Dreadnought's Illaara Shift: High-Grade Upside

MOST POPULAR
1
CAPITAL MARKETS

Miners whacked again

2
MINERS

Anglo cuts copper guidance, still committed to divestments

3
CAPITAL MARKETS

Mining Briefs: DPM, MGX, and more

4
MINERS

Rio investors calm after Glencore merger falls through

MINING IQ

lock Premium subscribers only

View more

Expert-led Insights reports and Analytics tools built on robust data, rigorous analysis and expert commentary covering mining Risk, Projects, ESG, Leadership, and Investor Sentiment.

Expert-led Insights reports and Analytics tools built on robust data, rigorous analysis and expert commentary covering mining Risk, Projects, ESG, Leadership, and Investor Sentiment.

editions

Investor Sentiment Insights 2026

Discover what investors have planned for mining in 2026 in our industry-leading survey

editions

World Risk Insights 2025 (feat. MineHutte ratings)

A detailed analysis of mining investment risks across 120 jurisdictions globally, assessed across six risk categories and an industrywide survey.

editions

ESG Index 2025: Benchmarking the Future of Sustainable Mining

The ESG Index provides an in-depth evaluation of the ESG performance of 60+ of the world’s largest mining companies. It assesses companies across 10 weighted indicators within 6 essential ESG pillars.

editions

Leadership Insights 2025

Leadership Insights reveals key trends in priority mining issues through interviews with 15+ top mining company executives and an industrywide survey.

Content
about
SOLUTIONS
legal

THE ASPERMONT BRAND PORTFOLIO

Copyright © 2026 Aspermont Ltd. All rights reserved. Aspermont Limited (ABN 66 000 375 048), Level 33, 152-158 St Georges Terrace, Perth WA 6000

Login