As I speak with industry members, regulators and legislators I continue to be stunned by the lack of appreciation of the very critical role that tyres play in our societies.

Governments bleat about fuel security “investing” precious currency to prop up petroleum fuel storage and production in the face of the ever-expanding development of electric vehicles and more recently the advent of hydrogen as a viable fuel with thanks to the PV (solar) industry advancements. Tyres? What do you mean tyres? Without tyres our societies would grind to a halt in the near term. How are they not a strategic consideration?

Our industries (tyre, road freight transport, mining, public transport and leisure) are facing sufficient difficulties with COVID as well as international shipping challenges to be faced with continued ignorance and negligence by our legislators and regulators.

Please review your countries legislative requirements in regards tyre inflation for light vehicles (say <4,500 kgs) and then the same requirement for heavy vehicles (>4,500 kgs). What do you find?

Mostly I think you will find that tyre inflation pressures are regulated for light vehicles via the vehicle manufacturers tyre placard. For heavy vehicles there is little, if any, such requirement. To illustrate the yawning gap between reality and regulation one peak heavy transport regulatory body published a procedure for roller brake testing for heavy vehicles. The procedure details in minute detail the requirements of the pneumatic system on the truck under test yet merely stated “tyres should be inflated.” As everyone in the tyre industry understands a tyre can be inflated at low pressures totally unrelated to actual operating pressures. What connects the brakes to the pavement? Tyres!

I’ve spoken at length about the absolute requirement for a tyre to be appropriately inflated. This is basic physics, the air molecules captured within the tyre’s air chamber actually support the applied loads. If there are insufficient molecules of air the tyre will be overworked so overheat and so enter a failure phase. There are other requirements for the inflation being the actual shaping of the tyre to interface with the pavement at the optimum level, read traction. A wide based tyre requires special construction to maintain the tread platform shape. If the inflation pressure is not at the manufacturer’s specified level will this critical shape be maintained? Then it is not only the performance of the tyre in question but also the safety of the vehicle and that of the general public in the areas this vehicle operates in.

The extensive report produced by the TNO Organisation (TNO 2013 R10986) detailed not only the exhaust emissions as a result of inappropriately inflated tyres but also the road safety outcomes. This paper is now just over eight years old but the situation with real time pressure monitoring for heavy vehicles remains as it was, 50 years or more ago. WHY? Are our regulators asleep at the wheel (or tyre some may say) through entrenched inaction and ignorance? Or is it that there are just “no votes” in tyres and everyone just ASSuMes their tyres are “ok”?

EV tyres

With the advent of electric vehicles, the ramifications for tyres are huge. In the past internal combustion engines (ICE) built up torque over a rev range, drivelines multiplied the torque developed and for heavy vehicles there is a sweet spot for torque. The multi speed gearboxes assisted the driver to maintain forward motion within this torque sweet spot. Electric motors apply maximum torque over most of their operating range. From the instant the power is applied by the driver (be that human or robotic) the tyres are under peak stress. Any deficiency within the tyre will be magnified with detrimental results. Such a deficiency may be of a manufacturing nature but this is largely controllable by the manufacturer. What is not currently controllable is the human maintenance factor, the applied inflation pressure.

Tyre manufacturers have for as long as they have been manufacturing tyres been informative about the criticality of appropriate tyre inflation. There are untold charts and pictorials showing how a tyre is influenced by under or over inflation yet our regulators and legislators continue to keep their heads buried deep out of the light. WHY when tyres are such a critical component of our modern-day motor vehicle? I would charge ignorance and negligence on one hand but then on the other suggest that because tyres work as well as they do, are as forgiving (by nature of their fundamental flexible design) our “guiding powers” can focus on other trendy and glamorous aspects such as stability control or autonomous braking. An important question for these people to consider and respond to; “what item on the vehicle transfers the power (and so directly influence these vehicle control systems) from the vehicle to the pavement (be that power tractive or retardation)? Yes of course, the humble tyre.

So, when a government sponsored or publicly funded body involved in road safety ignores tyres (for whatever reason, ignorance or negligence) are they really serving the interests of our communities and societies or are they just -- I should stop there but you know where I’m going!

The technology to monitor tyre pressures in real time is and has now been available for decades. The TREAD Act (USA) mandated tyre pressure monitoring (TPMS) for light vehicles in the USA in the year 2000. This year TPMS gets a key for its birthday, yes well and truly a mature product (some may say adult) and industry yet, our regulators and legislators continue to ignore the humble tyre.

The upsides of maintaining tyres at an appropriate pressure I’ve discussed previously, all positive. The same detail has been published in many papers (such as the TNO paper!) but we as an industry continue to live in the past whilst adopting hi-tech solutions for other aspects of our industries, e.g., GPS tracking, fatigue monitoring, reefer monitoring and control, real time video surveillance of the drivers and the surrounding traffic conditions. Why? To me there is little respect paid to the critical role the tyre provides for us. So many users do not consider how the tyre works for them and why the simplest of tasks will enhance the performance, yes, I speak of inflation maintenance. Without respect the tyre will never be recognised for the contribution it has made and continues to make.

I publicly and openly challenge our tyre manufacturers as a collective to mount an education campaign to enhance the level of respect the general public has about tyres. The TIA (US) and USTMA have local campaigns on behalf of their members but I consider that until the tyre manufacturers as a collective industry actual improve the level of respect for the humble tyre we will be chasing our tails on a race to the bottom. Our tyres deserve better!

What about Michelin, Bridgestone, Goodyear, Continental, BKT, Dunlop, ZC Rubber, Hankook, Pirelli, Toyo, Sumitomo, Yokohama, Kumho, MRF, Apollo, Nokian, JKTyres, Cooper, Titan, Linglong, Triangle et al?

Remember success does not reward a lack of action. (TT)

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Liberty Tire Recycling, North America’s largest tyre recycling company, has published its 2024 Sustainability Report, detailing continued advancements towards a circular economy. Over the course of the year, the firm collected more than 215 million end-of-life tyres and reclaimed over 4.7 billion pounds (approximately 2.13 billion kg) of rubber, which was transformed into recycled products for infrastructure, manufacturing and energy recovery.

The report highlights measurable environmental and safety gains alongside company growth and acquisitions. Liberty achieved a 1.5 percent year-over-year reduction in greenhouse gas emissions, an 81.1 percent end-market utilisation rate representing a 2.7 percent increase from 2023 and notable safety improvements including a 23.87 percent drop in the Total Recordable Incident Rate and a 29.25 percent reduction in the Preventable Vehicle Accident Rate.

Beyond operational metrics, Liberty donated more than USD 150,000 to charities and completed over 75 community projects. A key partnership with Blessings in a Backpack led to the packing of 5,250 meal kits for children, reinforcing the company’s broader commitment to social responsibility alongside its environmental and safety achievements.

Thomas Womble, CEO, Liberty Tire Recycling, said, “At Liberty, we don’t just recycle tyres – we partner with others to build a better future. Whether it’s a global manufacturer, a local retailer or a city government, our partners trust Liberty to help them meet their sustainability goals and do right by their communities. This report is a reflection of what responsible growth looks like – when innovation, impact and partnership work hand in hand.”

Amy Brackin, Senior Vice President – Sustainability, Liberty Tire Recycling, said, “Our work is grounded in action and accountability. As the only North American tyre recycling company to publish a sustainability report, we’re setting the standard for transparency in our industry. From emissions management to zero-waste goals, we’re proving that it’s possible to grow responsibly – moving more material up the value chain, investing in our people and rethinking how tyres can create value long after they leave the road.”

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Pirelli has confirmed that India will be the central theme of its 2027 calendar, marking a historic first for the publication. For the first time since the calendar’s inception, two distinct photographers have been commissioned to work on the project: Norwegian artist Sølve Sundsbø and celebrated Indian master Raghu Rai. Deep sorrow has followed Rai’s recent passing, felt profoundly by his family and those who collaborated with him. In the three months before his death, Rai had been fully dedicated to developing an original photographic series rooted in his heritage and personal vision of India.

Pirelli and the Rai family have pledged to complete Rai’s contribution to the calendar. Stepping into his role with honour is his daughter, Avani Rai, an internationally acclaimed photographer in her own right. She will work to faithfully realise her father’s artistic intentions for the series, ensuring his creative vision endures.

Alongside this effort, Pirelli has gladly invited Sundsbø back for a second consecutive year, following his work on the 2026 edition. His signature sensitivity and innovative aesthetic will combine with Avani Rai’s intimate knowledge of her father’s craft and her own personal experience of India, offering two compelling and complementary perspectives on the country.

Avani Rai said, “The work my father created for Pirelli was a tribute to India – bringing together his lifelong vision with a more contemporary expression of its people and diversity, something he was always deeply drawn to. I cannot bear the thought of it remaining unrealised. Bringing it to life feels deeply personal, as if I am stepping into his gaze and the way he saw India through his camera. Photography was his gift to me – not just as a craft, but as a way of seeing – and in that we found a quiet, profound connection. Carrying this forward feels like a way of staying close to him, of keeping a part of him alive within me.”

Sundsbø said, “It’s a great honour to be invited again to contribute to the Pirelli Calendar. I am very pleased to do so alongside Avani Rai and pay tribute to her father’s legacy. It’s a momentous opportunity to explore India. We will both do our utmost to celebrate the country and Rai’s memory with this collaboration.”

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Goodyear has introduced a new global campaign titled ‘Fast Is In Us’, dedicated to celebrating its renowned Eagle performance tyre family. The campaign debuted at the Kentucky Derby and follows last year’s STILL campaign, which underscored Goodyear’s iconic status. Fast Is In Us builds upon that foundation to elevate the Eagle legacy further.

Rather than focusing solely on traditional speed, the campaign highlights individuals deeply passionate about automobiles. It honours their appreciation for vehicle design, engineering and the tactile connection through the steering wheel. Fast Is In Us shifts attention from raw velocity to the emotional bond between driver and machine, celebrating those who feel performance rather than merely claim it.

The Eagle tyre family’s decades-long performance pedigree grounds the campaign, shaped in elite motorsport environments and high-performance automotive partnerships. After 45 years and millions of drivers, Eagle enters a new era believing fast is inherent to its design. This marks Goodyear’s first global campaign built around a performance tyre family, inviting drivers to embrace Eagle as a living philosophy rather than a one-off product.

The campaign will roll out globally across premium television, out-of-home, digital, social and cultural events. At the Kentucky Derby, the Goodyear Blimp carried the phrase Did someone say horsepower? Future integrations include the 24 Hours of Le Mans and other elite racing gatherings. Created with Publicis P1T Crew and led by BBH USA, Fast Is In Us aims to remind performance drivers why Eagle has always belonged with them.

Mark Stewart, Chief Executive Officer and President, Goodyear, said, "The performance car category is growing, and the drivers entering it want tyres worth bragging about. Eagle has more than four decades of credibility in performance and racing, and Fast Is In Us puts that legacy back to work – re‑establishing Eagle as the tyre knowledgeable drivers choose when performance truly matters. This campaign reflects how we're building Goodyear for the future: leading with premium products, authentic performance and brands that mean something."

J J Kraft, VP Global Creative, Goodyear, said, "Eagle isn't a product line – it's a piece of car culture. Fast Is In Us is a comprehensive platform built to put Eagle back at the centre of that enthusiasm. It expresses performance through feel and confidence behind the wheel, not just numbers on a page. It stands as one global campaign idea with the range to live across motorsport, retail and culture, and the ambition to lead the category, not chase it."

"For these drivers, Eagle is more than a tyre, it's a badge of devotion for drivers who respect the craft behind performance and demand confidence, responsiveness, and control every time they drive. Fast, in this world, isn't something you switch on. It's something you live," Kraft added.

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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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