Research analysing 850+ studies reveals fragmented methodologies hampering understanding of environmental impact

Scientists have called for urgent standardisation of methods used to measure and assess tyre wear emissions, following publication of what they describe as the most comprehensive review of research in the field to date.

The "State of Knowledge" series, which analysed more than 850 peer-reviewed scientific publications spanning four decades, has revealed significant gaps and inconsistencies in current understanding of how tyres shed particles and chemicals during use.

The research highlights how fragmented approaches across different studies have prevented scientists from drawing definitive conclusions about the environmental and health impacts of tyre wear emissions, which occur when tyres interact with road surfaces during driving.

"The topic of tyre wear emissions is extremely complex, multi-dimensional, and unfortunately only partially understood," said Dr Stephan Wagner, one of the paper's lead authors. "Until these gaps are closed, there is a growing concern that decisions about tyre emissions could be based on incomplete science."

The first two papers in the three-part series focus on characterising tyre wear emissions and assessing their environmental impact. A third paper examining potential health impacts is expected later this year.

The research, supported by the Tire Industry Project - part of the World Business Council for Sustainable Development - found that tyre wear creates not just particles but also releases volatile compounds and dissolved chemicals that can leach into the environment.

Current data suggests the risk from most tyre and road wear particles in water and soil is "generally lower down the priority list", according to the environmental risk assessment paper. However, researchers said insufficient data exists on tyre leachables and volatile compounds to make a full assessment.

The studies propose a tiered measurement framework and call for harmonised testing protocols to enable meaningful comparisons between different research efforts.

"The SOK underscores why we need a concerted, multi-stakeholder response to close the knowledge gaps, now more than ever," said Larisa Kryachkova, executive director at the Tire Industry Project.

The research comes as regulators worldwide grapple with how to address microplastic pollution, including particles from tyre wear. The European Union has been considering regulations on tyre emissions as part of broader environmental protection measures.

The authors suggest existing frameworks for assessing microplastics could provide a starting point for developing tyre emission guidelines, with modifications to account for the unique characteristics of tyre wear materials.

"We hope that these papers will encourage the scientific community and serve as a catalyst for further research and standardisation," Wagner concluded.

The Tire Industry Project plans to host a research conference at MIT in Boston to promote collaborative approaches to addressing the knowledge gaps identified in the review.

Comments (0)

ADD COMMENT

Link Copied!

Tana Oy has officially named CRJ Services as its authorised distributor for the complete range of TANA machines across the United Kingdom and Ireland, a strategic move designed to deepen its footprint in these crucial markets. This newly formed exclusive partnership ensures that customers throughout the region will gain access to Tana’s intelligent waste processing solutions, now backed by CRJ’s well-established reputation for technical proficiency and dependable after-sales care.

With a history spanning more than 25 years, CRJ has evolved into a premier provider of waste processing equipment throughout the UK and Ireland. Operating from its headquarters in Cheshire, the company has built its standing on a foundation of quality machine hire, sales and comprehensive aftermarket support, complemented by tailored advice, training and full-service solutions for the recycling, waste management and forestry sectors. Their approach is defined by a dedication to reliability and innovation, emphasising close collaboration with clients to address operational challenges through customised strategies that boost efficiency and promote sustainable practices.

Internationally recognised for its high-performance machinery and digital tools like TanaConnect, Tana Oy brings over five decades of experience in the solid waste management industry. Its portfolio features mobile shredders, landfill compactors and screening equipment, all underpinned by a strong legacy of reliability and a continued mission to enable efficient, sustainable waste processing around the world. This legacy of technological advancement now joins forces with CRJ’s deep-rooted expertise in the field.

By combining Tana’s cutting-edge technology with CRJ’s extensive knowledge of waste processing solutions, customers stand to benefit from systems that are not only more tailored and efficient but also ready for future demands. This collaboration bolsters the availability of integrated technologies spanning material handling, screening and volume reduction. Ultimately, this appointment underscores Tana’s ongoing commitment to partnering with experienced distributors to deliver superior machinery and lifecycle support, ensuring clients achieve peak performance and sustained long-term value.

Jari Mennala, CEO, Tana Oy, said, “We are pleased to partner with CRJ, who have built a strong reputation in the waste and recycling sector through their customer centricity, technical expertise and extensive service capabilities. We look forward to working together to bring Tana’s intelligent waste processing solutions to more operators across the region.”

Comments (0)

ADD COMMENT

Link Copied!

Kimi Antonelli secured his second Formula 1 victory at the Japanese Grand Prix, a triumph shaped by a pivotal strategic gamble involving Pirelli’s tyre compounds. While most of the grid initiated their race on the Medium C2 rubber, Antonelli’s campaign was defined by impeccable timing. A poor getaway initially dropped the Mercedes driver down the order, but he was perfectly positioned to capitalise on a mid-race Safety Car, making his pit stop at the ideal moment to vault back into the lead. He held off Oscar Piastri in second and Charles Leclerc in third, converting the opportunity into a commanding win.

The early stages of the race at Suzuka were marked by significant turbulence behind the frontrunners. Piastri and Leclerc both enjoyed blistering starts off the line, with the McLaren driver surging past Antonelli to seize an immediate lead that he held comfortably through the first stint. Although Piastri’s scheduled pit stop was executed cleanly, the deployment of a Safety Car shortly thereafter proved decisive. Antonelli, who had yet to make his mandatory stop, was gifted a free pit lane entry under the neutralised conditions, allowing him to inherit track position that he would not surrender for the remainder of the afternoon.

Under overcast skies and cooler temperatures around 18 degrees Celsius, the strategic picture largely aligned with pre-race expectations. The majority of the field committed to a one-stop strategy, starting on the Medium C2 compound before switching to the Hard C1 for the final stint. The only exception was Valtteri Bottas, who inverted the approach by starting on the Hards and moving to the Mediums. Once racing resumed, Antonelli demonstrated he was the fastest driver on track, immediately carving out a decisive gap over the chasing pack to secure his victory.

Behind the leader, a fierce multi-car battle unfolded for the remaining podium positions. Piastri emerged at the head of that fight to claim second, while Leclerc secured third after a brilliant wheel-to-wheel duel with George Russell, who ultimately finished fourth. Lewis Hamilton also capitalised on the Safety Car by pitting immediately, mirroring the race-winning strategy. With this result, Antonelli made history as the youngest driver and first teenager to lead the Formula 1 World Championship, now holding 72 points, ahead of Russell with 63 and Leclerc with 49.

Dario Marrafuschi, Pirelli Motorsport Director, said, “The quickest strategy on paper was essentially the one adopted by all the drivers in the race, with Valtteri Bottas the only driver to do something different. No team evidently considered it worthwhile to take a risk on the Soft compound, either at the start or in the final stages, despite it remaining a viable option thanks to the low degradation recorded in the preceding days. Albon’s use of the C3 was clearly not driven by strategic considerations, given the high number of pit lane visits he made. During the Grand Prix, the compounds did not restrict the cars’ race pace.

“The safety car triggered by Bearman’s off-track moment certainly benefited those who had not attempted the undercut, including race winner Kimi Antonelli. Without the neutralisation, we still believe that the pit stop would have taken place in the laps immediately thereafter. Pirelli’s Japanese trip will not end today, as on Tuesday and Wednesday we have scheduled two days of testing at Suzuka for the development of next season’s dry-weather tyres. Assisting us on track, with one car each, will be the Red Bull and Racing Bulls teams.”

Comments (0)

ADD COMMENT

Link Copied!

Georgian company Tegeta Motors, through its environmental arm Tegeta Green Planet, recently spearheaded a major cleanup effort by removing roughly 2,000 illegally discarded tyres from a former landfill near the settlement of Giorgitsminda, Georgia. The operation addressed years of unchecked dumping that had endangered local soil, water and community health.

Despite the challenging terrain, the contaminated site was fully cleared within days using the company’s own resources and in strict adherence to safety protocols. All collected tyres are now set to undergo recycling in line with technical regulations, transforming a longstanding environmental hazard into a manageable waste stream.

This initiative reflects the broader mission of Tegeta Green Planet, which operates under the principle of extended producer responsibility (EPR). Beyond simply remediating a single location, the organisation aims to raise public awareness about the severe consequences of uncontrolled automotive waste disposal, ensuring that collection, transport and recycling are carried out lawfully.

The company has a history of such actions, having previously organised similar cleanups in Tbilisi and Bakuriani. With roughly 45 collection points across Georgia, Tegeta Green Planet encourages responsible disposal through its recycling initiative. Authorised in 2022 to manage the national EPR scheme for waste tyres, the organisation has since attracted nearly 350 manufacturers to its collective compliance system.

Shalva Akhvlediani, Director, Tegeta Green Planet, said, "We are delighted that, as part of a joint initiative between Tegeta Motors and Tegeta Green Planet, we have implemented another large-scale project and cleared the contaminated area of car tyres. Such activities significantly reduce the negative impact on the environment, especially considering that the collected waste is recycled in full compliance with technical regulations. We have carried out similar projects many times before. Last year alone, Tegeta Green Planet collected and recycled more than 6,000 tonnes of automotive waste – tyres, batteries and used oil. We are proud that these figures are growing every year, and in this way, we are contributing to the development of a circular economy and environmental protection in our country. We ask our citizens to report any areas contaminated with automotive waste to us. This can be done via the Tegeta Green Planet website or the Tegeta app, and we will respond accordingly.”

Comments (0)

ADD COMMENT

Link Copied!

The Alliance for the Future of Tires (AZuR) has expanded its network with the addition of Granuband, a Dutch leader in high-quality tyre recycling, as its newest partner. As a prominent manufacturer of rubber granules, Granuband strengthens AZuR’s mission to advance a sustainable circular economy for tires across Europe through its expertise in material recovery.

Established in 1991, Granuband specialises in the mechanical recycling of end-of-life tyres using state-of-the-art facilities to produce premium rubber granules and powders. These materials are exported globally for use in sports surfaces, infrastructure projects, industrial goods and various technical applications, showcasing the versatility of recycled rubber.

Beyond manufacturing, Granuband plays a critical role in the collection and logistics of used tyres, traditionally focusing on passenger car tyres in the Benelux region. In recent years, the company has expanded its operations to include truck, agricultural and other specialised tyre categories, driven by a longstanding commitment to innovation in technology, logistics and new applications.

Since 2024, Granuband has operated under Circtec, an international firm specialising in advanced tyre pyrolysis. This integration merges Granuband’s mechanical recycling strengths with Circtec’s chemical recovery technology, creating a comprehensive system that recovers nearly all tyre components. Together, they aim to boost recycling rates, optimise raw material use, cut CO₂ emissions and develop new recyclable materials. Granuband’s addition to AZuR notably reinforces the mechanical recycling pillar, a vital component of the circular economy.

Network coordinator Christina Guth said, “With Granuband, we are expanding our network to include an important player in the mechanical recycling of used tyres. High-quality rubber granules are key to closing the material cycle and reducing dependence on primary raw materials.”

Comments (0)

ADD COMMENT

Link Copied!