Solvay is investing at its Livorno site in Italy to launch the company’s first unit of circular highly dispersible silica (HDS), made with bio-based sodium silicate derived from rice husk ash. This silicate process provides a circular solution as it gives a second life to rice husk in a local value chain. Coupled with renewable energy integration at the plant, it will allow Solvay to achieve a 50 percent reduction in CO₂ per tonne of silica. Solvay claims that this will make the Livorno site Europe’s best-in-class silica production site in terms of CO₂ footprint. The production is expected to start by the end of 2024.

The Group will gradually replace its existing Zeosil portfolio with circular HDS, providing a circular solution for tyres that will contribute both to increasing the use of sustainable raw materials and reducing the tyre industry’s CO₂ footprint. This new generation of precipitated silica will also address the needs of home and personal care and the feed and food industries.

According to Solvay, it is the first company to commit to circular HDS production at a European site within a concrete time frame, and is now focused on building the necessary ecosystem to bring it to market. This involves working with stakeholders across the entire value chain, and Continental is a key partner in this journey. Through the implementation of this competitive rice husk ash (RHA) proprietary process in Europe, the company is able to ensure consistent product quality by levelling out the variability of agro feedstocks.

Claus Petschick, Head of Sustainability at Continental Tires, said, “Silica is essential for the high performance of our tyres. And with Solvay’s bio-circular silica, our tyres will at the same time become more sustainable. It reduces the overall carbon footprint and increases the share of renewable materials in our tyres. Rice husk is an agricultural by-product that was not used for tyre production until very recently. Soon they will take us one step closer to our goal of 100 percent sustainable materials in our tyres by 2050 at the latest."

Solvay also has plans to build a new plant in North America over the coming years to expand its HDS capacity which will significantly increase the Group’s footprint in the region, the company states. This new facility will be designed for circular raw materials and be aligned with the company’s carbon neutrality roadmap. The Group is also investigating projects on circular HDS in Asia and South America.

Ilham Kadri, CEO, Solvay, said, “Building on our constant drive for progress and innovation, the launch of our circular HDS in Europe is just the first step in a longer-term project that will enable us to offer a circular solution to tyre manufacturers and other industries across the world as we continue to reinvent progress with our silica offering.”

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Tegeta Green Planet and Shine Energy, both affiliated with Tegeta Holding, have launched a joint educational initiative to raise environmental awareness and a sense of responsibility among young people. The project addresses modern challenges such as environmental protection and sustainable development.

Company representatives are visiting schools across Tbilisi to hold informational meetings, presentations and workshops. The programme begins with presentations, followed by interactive games and activities designed to help students retain the information. At the end of each session, participants receive symbolic gifts and prizes as motivation.

Tegeta Green Planet focuses on teaching students the principles of specific waste management, including how to properly handle used tyres, batteries and oils. The sessions explain why proper waste management is essential for environmental protection and how it connects to the circular economy. Meanwhile, Shine Energy educates young people on the importance of energy, its everyday use and why developing renewable and sustainable energy resources is crucial.

The initiative is not limited to schools. In the near future, both organisations will expand their efforts to universities, aiming to broaden awareness about environmental protection, waste management and energy efficiency. The ultimate goal is to foster environmentally responsible attitudes among the younger generation, helping build a more sustainable and conscious society.

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Zeon has been recognised as a Supplier Engagement Leader in the 2025 Supplier Engagement Assessment (SEA) conducted by CDP, a United Kingdom-based international environmental nonprofit organisation. This achievement represents the first time the company has received the highest possible rating in this assessment.

The evaluation measures how corporations address climate change within their supply chains, focusing on responses to the CDP Climate Change Questionnaire across five critical areas. These include governance, emissions targets, Scope 3 emissions management, risk management and overall supplier engagement strategies.

Zeon earned the top rating for its efforts to reduce greenhouse gas emissions through supplier collaboration, a group-wide initiative, alongside continuous dialogue maintained via procurement activities. Guided by its philosophy of contributing to planetary preservation and human prosperity, Zeon remains committed to sustainable management. The company reaffirmed that it will continue working with suppliers and other stakeholders to tackle climate change and meet societal expectations.

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German chemical group WACKER has announced a price increase of up to 15 percent for its resins, dispersions and dispersible polymer powders produced at its European and US facilities. The adjustment takes effect on 1 June 2026, or as existing customer contracts permit. The move is designed to allow the company’s Polymers division to maintain high product quality, deliver technological innovations and provide superior customer service and technical support. It will also support investments aimed at securing future growth in key markets.

Rising costs for raw materials and logistics have forced the pricing measure, with the Polymers division being particularly affected. The recent conflict in the Middle East has caused significant disruptions across global commodity markets. As a direct result, prices for energy, raw materials and transportation have climbed sharply.

Despite the increase, WACKER remains focused on sustaining its commitment to customer support and long-term capability. The company underscored that the adjustment is necessary to continue meeting market demands while ensuring operational stability and future-oriented development across its focus markets.

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Pirelli North America has launched its first closed-loop circular recycling initiative, marking a significant step in the company’s broader strategy to increase recycled and bio‑based content in its tyre production. The project has received the Tire Recycling Foundation’s Value Chain Collaboration Award.

The programme recovers scrap tyres generated during Pirelli’s own North American manufacturing process. These materials are sent to Bolder Industries, which applies ISCC PLUS‑certified pyrolysis technology to produce BolderBlack recovered carbon black. Pirelli then reintroduces this material into new tyre production at its North American facilities, partially replacing virgin carbon black. The effort is part of a wider Pirelli plan to expand such industrial ecosystems across the group’s production network, aiming to valorise waste by reintegrating recovered materials into tyre manufacturing.

Beyond the award, the initiative reflects Pirelli’s broader circularity approach, which includes ongoing work to boost recycled and bio‑based material usage. The company targets over 80 percent bio‑based and recycled content in its best‑performing products and forty percent in total production by 2030.

Claudio Zanardo, CEO, Pirelli North America, said, "The Rome plant is one of the most technologically advanced manufacturing facilities in Pirelli. This initiative reflects an approach focused on increasing the use of recovered materials within existing production processes. It is part of a broader effort to gradually integrate raw materials derived from recycled resources into our products while maintaining consistency in performance and quality."

Tony Wibbeler, CEO, Bolder Industries, said, "Our collaboration demonstrates that a traceable, mass-balance approach to tyre-to-tyre circularity is not only achievable, but it's ready to scale inside a premium manufacturing environment, meeting real performance and certification requirements at every step. This is the kind of progress the industry has been working toward for many years."

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