A comprehensive scientific review released under the umbrella of the Tire Industry Project (TIP) has concluded that despite significant advances in understanding tyre wear emissions, current data remains insufficient to quantify their direct impact on human health. The final paper in a three-part ‘State of Knowledge’ (SoK) series, supported by TIP as part of the World Business Council for Sustainable Development, analysed over 850 peer-reviewed studies to assess global research on tyre and road wear particles. The authors found that inconsistencies in sampling approaches, detection techniques and analytical methodologies across studies prevent reliable comparison and robust risk assessment. As a result, while interest in the topic has grown, the evidence linking tyre emissions to specific health outcomes remains inconclusive.

According to the review, tyre wear particles constitute only a small fraction of total airborne particulate matter, typically less than five percent of PM2.5 and PM10 in urban environments. Toxicological data from both in vivo and in vitro studies indicate that tyre and road wear particles are no more harmful than general ambient particulate matter, with effects that are similar to or less potent than those of other airborne particle types. Although chemicals used in tyre manufacturing have been detected in human body fluids, the authors stress that these substances are also widely used in other applications, making it impossible to clearly attribute exposure to tyres as the primary source.

The paper, independently authored by Kathrin Müller, Julie Panko, Kenny M Unice and Dr Stephan Wagner, identifies the lack of harmonised global methods for sampling, analysing and characterising tyre wear emissions as a major barrier to drawing firm conclusions. This call for greater methodological consistency aligns with the findings of the first two SoK papers published in 2025, which examined the characterisation, quantification and environmental impacts of tyre wear emissions. Without standardised approaches, meaningful comparison across studies and reliable exposure or risk assessment remain unattainable.

Looking forward, the authors recommend that future research prioritise the identification of potential exposure pathways and examine relevant health outcomes, including chronic effects, under realistic conditions. Such studies should cover urban and suburban populations across different global regions to ensure comprehensive and applicable findings. The SoK series, representing the most extensive review of global science on tyre wear emissions to date, underscores the need for coordinated international efforts to improve the identification, measurement, and attribution of these particles in both environmental and human health contexts.

Dr Wagner, one of the leading researchers of Paper 3, said, “Tyre wear emissions are a complex topic that we still only partly understand, especially in relation to human health. While research has advanced our understanding of TRWP, the current data simply isn’t robust enough to quantify any potential health risks specifically linked to tyre wear. Looking forward, cross-stakeholder collaboration is fundamental to making rapid progress. By aligning methods, sharing data and focusing on real-world studies, we can build a stronger, more consistent evidence base to inform future decisions.”

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Hankook Tire has secured a new role as the Official Control Tyre Supplier for the 2026–2027 season of the Australian Production Car Endurance Series (APCES), following a partnership with the Australian Racing Drivers’ Club (ARDC). The APCES is a newly launched endurance championship created by the ARDC and Motorsport Australia, designed to continue the country’s legacy of production car racing. The series will feature production-based vehicles competing across eight performance-based classes, labelled X, A1, A2, B1, B2, C, D and E.

Hankook will exclusively supply its Ventus TD (Z221) R-Spec tyres to all participating teams, working alongside official trackside supplier Gary’s Motorsport Tyres. The control tyre format, which equips every competing vehicle with identical tyre specifications and performance, is intended to provide consistent racing conditions throughout the championship. The semi-slick tyres feature an optimised tread pattern and advanced compound technologies, delivering strong dry grip, stable cornering, excellent braking and superior heat resistance even under prolonged high-speed driving.

The championship will begin its opening round at Sydney Motorsport Park on 30 and 31 May, with additional races scheduled at Sandown International Raceway in August and Queensland Raceway in September. The final round is set for March 2027 at Mount Panorama Circuit in Bathurst, New South Wales, as part of the iconic Bathurst 6 Hour endurance race. The overall series champion will be determined at that concluding event.

Hankook has already built a strong reputation in Australian endurance racing as the official tyre supplier for the Bathurst 6 Hour, and it continues to sponsor other local events including the First Focus Radical Cup Australia Series, the Precision National Sports Sedan Series and the Hyper Racer Hankook Australian Drivers’ Championship. Moving forward, the company plans to strengthen its global premium brand position by using racing data from extreme motorsports conditions, combined with its global innovation R&D infrastructure, to develop ultra-high-performance tyre technologies.

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Bridgestone Corporation has extended its legacy of excellence with General Motors by securing a 2025 Supplier of the Year award, marking the company’s 11th consecutive win and 24th overall. The honour was announced during GM’s 34th annual awards ceremony in Austin, Texas. Out of a vast network exceeding 20,000 suppliers, Bridgestone emerged as one of only 103 companies across 14 countries to receive this distinction.

A global cross-functional team at General Motors determines the winners based on performance across key categories such as safety, innovation and resilience. The evaluation process considered each organisation’s results throughout 2025 alongside their alignment with GM’s fundamental values and ambitious future objectives. This rigorous selection method highlights the importance of consistent execution and shared strategic vision.

The recognition directly supports Bridgestone’s internal E8 Commitment, an ethos built around eight values beginning with the letter E, including Ecology and Extension. By crafting innovative tire solutions for GM, the Japanese company effectively advances its pledges on both ecological responsibility and technological extension. This synergy between corporate values and customer recognition reinforces Bridgestone’s position as a reliable partner.

David Colletti, President of Consumer Original Equipment Tires, North America, Bridgestone Americas Tire Operations, said, “This recognition reflects the strong relationship between Bridgestone and GM. Together, our shared dedication to innovation, quality and performance continues to fuel long-term success.”

Shilpan Amin, Senior Vice President, Global Chief Procurement and Supply Chain Officer, General Motors, said, “Supplier of the Year is one of those key moments our whole team looks forward to every year because it highlights the partnerships behind every vehicle we build. The results our suppliers deliver throughout the entire product development cycle are central to our ability to deliver world-class vehicles to our customers. When our suppliers, such as Bridgestone, lean in with us on new technology and flawless execution, we can move faster, compete harder and unlock more value across the entire supply chain.”

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Tyres Europe has joined a broad alliance of European industry associations urging the European Union to strengthen its trade defence policy. The coalition warns that unfair trade practices, combined with structural overcapacity and state-led market distortions worldwide, are intensifying pressure on local manufacturers. European producers must contend with high energy costs, strict environmental rules and complex regulations, placing them at a clear disadvantage compared to rivals benefiting from less transparent conditions.

The signatories have made clear that they do not seek protection from competition itself, only fairer conditions under which to compete. They argue that a truly global level playing field is essential to protect Europe’s industrial base, sustain competitiveness and allow EU companies to continue investing, producing and preserving jobs within the continent. Without such balance, the long-term viability of key sectors remains at risk.

As an immediate step, the coalition calls on the European Commission to assign more staff to the trade defence units within DG Trade. According to the statement, these services are severely understaffed in absolute numbers and relative to the EU’s main global partners. This shortage undermines Europe’s ability to respond effectively to foreign trade distortions in a timely manner.

Reinforcing DG Trade’s investigative capacity is therefore presented as a crucial short-term priority. Tyres Europe and the other associations contend that targeted staffing increases would significantly enhance the EU’s resilience against global market imbalances. Such a move, they believe, would help safeguard fair competition without erecting unnecessary barriers to international trade.

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Hankook Tire was conferred with the ‘Excellence in Quality and Delivery’ award during Japanese automaker Honda Motor Co., Ltd.’s ‘2025 Supplier Excellence Award’ ceremony, which took place in Columbus, Ohio, this past April.

Honda annually evaluates suppliers across North America based on criteria such as quality, delivery, value and innovation. Out of 56 honourees this year, Hankook Tire stood out due to its systematic quality management, stable supply capabilities and advanced product development competitiveness.

This latest accolade marks Hankook Tire’s fifth recognition from Honda, following previous wins for ‘Excellence in Value’ in 2016 and 2020, and ‘Excellence in Delivery/Value’ in 2018 and 2023. Since establishing a partnership with Honda in 2013, Hankook Tire supplies original equipment tyres for key SUV models including the CR-V, HR-V, Pilot and Passport, as well as global sedans like the Accord and Civic.

Building on this recognition, the tyre manufacturer aims to deepen its collaboration with Honda and expand its presence as a premier global brand in North America. Leveraging its integrated quality and technology system – supported by the Technoplex headquarters, Hankook Technodome R&D center and Hankook Technoring test track – the company continues to serve over 50 global automakers and plans to further enhance its AI-driven quality management through sustained R&D investment.

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