Headline details


  • The steel industry is one of the most significant contributors to greenhouse gas emissions globally, accounting for 8% of global emissions, and is facing tremendous pressure from high energy prices and growing carbon taxes.
  • Carbon Re, an AI and climate tech start-up spun out of UCL, and the University of Cambridge, is partnering with the Middlesbrough-based Materials Processing Institute – the UK’s leading materials and industrial decarbonization research organisation – to adapt Carbon Re’s state-of-the-art AI technology to steelmaking.
  • If successful, the solution is expected to enable steel producers to cut millions of pounds in energy costs and tens of thousands of tons of CO2 emission per plant annually.
  • UK Research and Innovation funded this study through the ISCF Transforming Foundation Industries – Investor Partnerships Programme.


Carbon Re today announced its collaboration with the Materials Processing Institute to adapt its cutting-edge AI technology to steelmaking. Leveraging the immense potential of deep learning and reinforcement learning, Carbon Re uses a digital twin of a plant’s manufacturing process to find its optimum operating parameters, unlocking huge energy efficiencies.


Trial results in the cement industry have exceeded expectations, and Carbon Re’s studies show that its technology can reduce the energy intensity and carbon emissions from cement manufacture by up to 8% and 20%, respectively. This translates into £2.1 million in cost savings and 140,000 tonnes of CO2 in emissions reduction annually for an average cement plant. If similar efficiencies are achieved in steel plants, this will result in £4.3million in cost savings and 60,000 tonnes of CO2 in emissions reduction per plant.
Carbon Re’s technology offers significant advantages to manufacturers:

  • Can be deployed in weeks
  • Works with existing plants
  • Does not require expensive capital projects
  • Facilitates the adoption of alternative fuels
  • Lowers emissions and costs, simultaneously


Producing steel requires the transformation of iron ore under very high heat, reaching 1,400 degrees Celsius, requiring extensive burning of solid fuels, predominantly fossil fuels. Production is a complex process that requires balancing enormous input parameters affecting cost, quality, and reliability. Operators have to manage these conflicting requirements, making their job both highly skilled and demanding.
Recent advances in AI, particularly in deep reinforcement learning, open the door for a step-change in addressing this problem. Developing AI that ‘understands’ the thermodynamics of cement or steel making and that learns to operate a given plant using the levers available to a human operator can dynamically optimise production processes based on variable inputs.
Carbon Re’s solutions leverage these capabilities to further augment the capabilities of already highly skilled human operators through a human-in-the-loop solution. The operators maintain control of the plant.
The steel industry contributes to greenhouse gas emissions, responsible for 2.0% of total UK greenhouse gas emissions. Carbon Re’s technology will support the steel industry in it’s drive to meet industrial decarbonization targets.
Carbon Re’s CEO and Co-Founder, Sherif Elsayed-Ali, said:

“Working with Materials Processing Institute’s research facility is a fantastic opportunity for our research team. The Materials Processing Institute has extensive experience in industrial processes, and our collaboration will be invaluable to accelerating the development and commercialisation of our product for steel.

Carbon Re’s mission is to reduce emissions at the gigatonne scale by accelerating the decarbonization of heavy industries such as cement and steel. This is a hugely ambitious goal, but we are confident we can achieve it with the UK’s world-leading AI talent, materials research, and industrial policies.”

Chris Oswin, Digital Technologies Group Manager at the Materials Processing Institute said:

“The UK steel industry is facing a challenging time with escalating fuel prices and industrial decarbonization targets. We are very excited to work with Carbon Re’s team and look forward to the results of applying cutting edge AI to our processes.”

Carbon Re has received funding from UK Research and Innovation through the ISCF Transforming Foundation Industries – Investor Partnerships Programme to explore the feasibility of adapting its technology to improve energy efficiency in steel and glass manufacture.
Bruce Adderley, UKRI challenge director, Transforming Foundation Industries Challenge:

“The Transforming Foundation Industries Investor Partner Programme was specifically instigated to match new sources of private investment with businesses bringing transformative innovations into these sectors at scale, to enable their sustainably competitive future. This project with Carbon Re is a powerful example of how technologies developed for one industrial sector can be used to address similar challenges found in other foundation industry sectors.”


Lee Rowley MP, Minister for Industry said:

“Transforming the steel sector is going to be one of the big challenges of the coming decades. We have to find new solutions and innovate to support the vital work of the UK steel industry whilst it becomes greener.

“This partnership, following government taxpayer support for Carbon Re, is another example of green, and in this case digital, innovation, and may help steelmakers to cut emissions and save money on energy bills.”


Carbon Re (our name refers to Carbon Reduce / Remove / Revolution) has a singular mission: to reduce global emissions at the Gigatonne scale. Our first software product, Delta Zero cement, enables energy-intensive industries to achieve instant reductions in energy consumption, cost and carbon emissions. Delta Zero delivers state-of-the-art artificial intelligence solutions to manufacturers based on innovative research at Cambridge University and University College London.
The Materials Processing Institute is a not-for-profit research and innovation centre with a 75-year track record in developing new materials, processes and technologies. The Institute is a globally recognised centre for the innovation, development and commercialisation of technology for advanced materials, industrial decarbonization and the circular economy. This is delivered by scientists, engineers and project teams with expertise in materials science and advanced processing, utilising state-of-the-art equipment, laboratories, workshops, demonstration, scale-up and production facilities to develop technology, enhance materials and improve processes.


Carbon Re

Buffy Price, Chief Operations Officer: buffy@carbonre.tech
Materials Processing Institute

Andrew Cargill, Marketing Manager: Andrew.cargill@mpiuk.com