Coal

Is It The Death Knell For Thermal Coal?

Coal will move further into decline as an energy producer in Australia, after several superannuation companies announced that they will no longer support investing in companies that derive 10% or more of their income from thermal coal production. As a former government employee, my superannuation is invested with QSuper. Over … [continued]

ChatGPT & DALL-E generated map of the USA with piles of ash and slag and big limestone quarries

Concrete Is A Geography, Minerals, & Waste Game Played With Billions Of Tons Of Chips

As cement day turns into concrete week turns into concrete month, it’s worth considering how the absurd tonnages of concrete manufactured changes, often radically, depending on where specifically in the world the concrete is needed. That’s all because those absurd tonnages means that we move the stuff that goes into … [continued]

ChatGPT & DALL-E generated panoramic image of an electric cement truck covered in circuitry delivering cement to a construction site.

Publishing On Cement Decarbonization Brings Challenges, Corrections, & More Approaches

A few days ago I went deep on cement again, using an assessment of the processes of American clean cement startups to define the scope and magnitude of the problem, the chemistry and energy requirements of cement, why fixing it is critically important, and incidentally evaluate a couple of companies’ … [continued]

ChatGPT & DALL-E generated panoramic image of a cement mixing and bagging plant beside a smoking volcano

Fly Ash, Silica Fume, & Natural Pozzolans Are Terms To Know When Talking Green Cement

Every domain brings with it a wealth of new language. Being the domain junky that I am, my head is creaking at the seams with jargon and technical terms from a multitude of places. Cement and concrete are no different. Today’s exploration is of the interesting world of supplementary cementitious … [continued]

ChatGPT & DALL-E generated panoramic image of an electrolysis cement plant of the future, powered by wind turbines

Electrochemistry Might Help Solve Cement’s Carbon Problem

One thread I’m pulling on across industrial solutions is the ability of electrochemical processes powered by green electricity to replace industrial processes powered by fossil fuels. Today someone handed me the end of a thread leading to Sublime Systems, a Massachusetts, USA, firm that’s using electrochemistry to make low-carbon cement. … [continued]

DALL.E creation by Carolyn Fortuna | CleanTechnica

50 States of Power Decarbonization Q1 2024: Utilities Plan for Significant Load Growth, While States…

Raleigh, NC — The NC Clean Energy Technology Center (NCCETC) has released its Q1 2024 edition of the 50 States of Power Decarbonization. The quarterly series provides updates on state and utility actions pertaining to clean energy targets, emission reduction targets and carbon policies, generation planning and procurement rules, integrated … [continued]

$35 Million from President Biden’s Investing in America Agenda to Clean Up Orphaned Wells in…

Historic funding to plug orphaned oil and gas wells will address environmental and safety hazards, create good-paying jobs in communities nationwide LOS ANGELES — [Last week], as part of the Biden-Harris administration’s Infrastructure Week, Secretary of the Interior Deb Haaland announced a $35.2 million investment through President Biden’s Investing in … [continued]

ChatGPT & DALL-E generated anoramic image of an electric semi truck covered in circuitry rolling along a highway beside a railroad where a long freight train is belching diesel smoke

Electric Trucks Are Already Lower Carbon Than Rail In Much Of North America

In 2010, I was consulting to Canadian National Railroad, at the time with the legendary Hunter Harrison as CEO. It was one of many times my decarbonization proposals bounced off of organizations, something that’s been inordinately useful in helping me understand how hardcore businesses view the space. At the time, … [continued]