Clean industry

Green steel

The economic case for green steel production at a Michigan steel mill

Cleveland-Cliffs’ Dearborn Works blast furnace is due for relining in 2027. Advocates say now is the time to convert it to new technology powered by clean energy.

By Kari Lydersen . 19 November 2024

Brown factory towers against a blue sky — Blast furnaces at a Michigan steel mill (Tom Szczerbowski/Getty Images)

Batteries

Could installing batteries under solar panels kick-start the commercial building market?

Yotta Energy thinks batteries could become as common as microinverters on commercial solar rooftops, and has built in thermal safety features to win over skeptics.

By Jeff St. John . 22 June 2021
Clean industry

G2 Venture Partners will invest $500M in companies cleaning up legacy industries

Buoyed by some initial exits, G2 now has even more money to work with.

By Julian Spector . 17 June 2021
Solar

Heliogen raises $108M for solar-powered industrial heat

The startup's machine-vision technology makes sunshine a viable alternative for carbon-intensive tasks like manufacturing steel and cement.

By Julian Spector . 15 June 2021
Clean industry

Have you heard about the Green New Steel?

Our lives are built on things we never think about.

By Julian Spector . 29 April 2021
Clean industry

Joe Biden’s Green New Steel

Steel-making is one of the world's most carbon-intensive industries. New technologies and proactive policy interventions could change that.

By Jay Stein . 28 April 2021
Electrification

Chart of the day: Fuel cell industry profits

The hydrogen funding wave and the enormous potential of the hydrogen economy boosted the stock price of public fuel cell companies in 2020 — but not their profits.

By Eric Wesoff . 26 April 2021