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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Prinx Chengshan has introduced a new line of agricultural tyres at the 2026 Xinjiang International Agricultural Machinery Expo, which opened in Urumqi on 25 May. The Chengshan brand showcased products specifically designed for tractors and combine harvesters, responding to the growing performance demands of large-scale machinery driven by agricultural modernisation.

As tyres play a critical role in equipment efficiency, Prinx Chengshan has developed a full-chain innovation system covering fundamental research, application development and pilot verification. With a newly launched green and intelligent off-the-road tyre plant, the company now offers agricultural tyres that excel in durability and load capacity, providing cutting-edge solutions for global customers.

The Chengshan TX series addresses specific operational needs. The TX600, for tractors, features large tread lugs and flexible sidewalls to ensure stability and comfort during high-speed relocation. The TX700 uses a reinforced carcass and belt structure to handle heavy combined loads without deformation. The TX800 incorporates an R-1W deep tread pattern and wear-resistant compound to withstand sharp stubble, gravel and roots, extending tyre life and lowering costs. For combine harvesters, the TX2000 uses proprietary IF technology to deliver 20 percent higher load ratings at the same pressure, reducing soil compaction and protecting topsoil.

Moving forward, Prinx Chengshan will continue its product plus service strategy, supporting modern agriculture alongside global partners. The company aims to advance green farming practices and contribute to a sustainable future.

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Yokohama Tire has become a new partner of the Velocity Invitational, North America’s leading motorsport and lifestyle festival. The event is scheduled for 29-31 May at Sonoma Raceway in Northern California. The tyre manufacturer will showcase its ADVAN line of ultra-high-performance tyres and also support round four of the Porsche Sprint Challenge USA West by Yokohama.

The Velocity Invitational takes place in California’s wine country, blending world-class historic racing, modern hypercars, rare vehicle collections and immersive car culture. These attractions are paired with fine wines, luxury hospitality and exceptional culinary offerings.

Candace Cogan, Director of Product Marketing, Yokohama, confirmed several brand activations. These include ADVAN-livery vehicles on display and on track, such as the BBI Autosport Porsche 992 TurboCup ‘Dixie’ and a GT2 EVO tribute by Type-99. To mark the 75th anniversary of Porsche Motorsport, Yokohama will host a ‘Prost’ celebration featuring a curated video highlighting the longstanding relationship between the two brands.

Several Yokohama brand partners will attend. They include builder Vin Anatra, known for a Ferrari 360 rebuilt bolt-by-bolt on ADVAN A052 tyres; BBI Autosport founder Betim Berisha; photographer Larry Chen; filmmaker Sung Kang, famous for playing Han in ‘The Fast and the Furious’, whose upcoming film ‘DRIFTER’ features the ADVAN-shod hero car ‘Lola’ and Formula Drift hall of famer Daijiro ‘Dai’ Yoshihara.

Cogan said, “Yokohama is excited to be a sponsor of the Velocity Invitational, which is the ultimate festival of flat-out exhilaration and excitement. It’s a natural extension of our performance legacy and a powerful platform to showcase our iconic ADVAN tyres to enthusiasts united by a shared passion for car culture in every form.”

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The Tire Industry Project (TIP) has opened registration for its 2026 Tire Emissions Research Conference, scheduled for 8 to 10 December 2026 at the University of Cambridge in England. The event continues a series that began with successful gatherings in Munich in 2024 and Boston in 2025.

Building on prior editions, the 2026 conference maintains an exclusive focus on scientific research into tyre emissions and actionable countermeasures. This emphasis responds to rising global concern over tyre wear pollution, with organisers believing that progress depends on open knowledge exchange, multi-stakeholder collaboration and harmonised scientific methods.

The agenda covers the full scope of the issue, including tyre and road emission generation, environmental distribution and fate, ecological behaviour and impact, design alternatives and civil engineering or environmental practices for mitigating tyre and road wear particles and related chemicals. Participants range from scientists and industry practitioners to policymakers and experts in environmental and materials science.

Held at Jesus College within the prestigious University of Cambridge, the conference follows the tradition of partnering with world-class institutions such as the Technical University of Munich and the Massachusetts Institute of Technology. Abstract submissions are due by 29 May 2026, with further details and registration available on the event website.

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Kumho Tire has confirmed its participation at The Tire Cologne 2026, the world’s leading tyre exhibition, taking place in Cologne, Germany, from 9 to 11 June. The South Korean manufacturer will present key products at Hall 6.0, Stand B030 C039, including summer, winter, all-season and truck and bus tyres. The event is the largest and most prestigious global gathering for the tyre industry.

Under the theme ‘Innovation to Build the Future’, Kumho Tire will introduce its latest advancements and intelligent solutions for future mobility. The company aims to demonstrate technological excellence in stability and performance across driving conditions. Featured products include summer tyres such as the ECSTA SPORT S, ECSTA SPORT and ECSTA HS52, along with the winter tyre WinterCRAFT WP52+. Both ECSTA SPORT models are ultra-high-performance tyres gaining strong traction in the European market.

The WinterCRAFT WP52+, developed for European conditions, ranked third out of 51 entries in Auto Bild’s 2025 winter tyre test, earning an ‘Exemplary’ rating. Kumho Tire will also showcase MARSHAL brand products including the MU12, MH15 and MH22. The MU12 delivers stable handling, grip, braking and cornering at high speeds, as MARSHAL strengthens its global position combining performance with value.

Additional displays include the SOLUS HA32, WinterCRAFT ICE WI32, WI52, PorTran 4S CX11 and concept tyres Volume and Origami. Kumho Tire will invite key European customers for business meetings to explore partnerships, aiming to communicate its future vision, deepen engagement and expand its global footprint.

Tony Gangseung Lee, Head of Europe at Kumho Tire, said, “This exhibition presents a valuable opportunity to showcase our key products at the world’s largest tire event. We will leverage this platform to reinforce our position as a sustainable, future-oriented smart mobility partner and accelerate our transformation into a global premium brand.”

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