In a discussion with Tyre Trends, Chief of the United Nations Economic Commission for Europe (UNECE) Information Unit Jean Rodriguez detailed how the Working Party on Noise and Tyres (GRBP) is driving international regulations on tyre safety, noise and sustainability. From pioneering micro-plastic emission measurement to strengthening wet-grip requirements and updating studded and retreaded tyre rules, Rodriguez emphasised UNECE’s role in shaping a harmonised global framework that balances consumer safety with environmental protection.

What is the role of the Working Party on Noise and Tyres (GRBP) within UNECE?

As one of the six subsidiary bodies of the World Forum for Harmonisation of Vehicle Regulations, hosted by UNECE, the Working Party on Noise and Tyres continues to spearhead globally harmonised standards through UN Regulation No. 117, covering tyre rolling resistance, noise, wet grip and, with recent developments, abrasion measures. These UN Regulations form the backbone of safety and environmental tyre specifications adopted by numerous countries and a substantial share of tyre producers globally.

What were the key regulatory changes between 2022 and 2025?

In early 2024, the Working Party adopted the first-ever methodology to measure particle emissions from tyres, critical for tracking micro-plastic emissions via two protocols including real-world 8,000 kilometres convoy tests and 5,000 kilometres rolling-drum lab tests. These are slated for integration into a new UN Regulation by September 2025 for passenger tyres, expanding into heavier vehicle categories (C2, C3) into 2026 and 2027.

Once in force, these regulations will contribute to significantly reducing micro-plastic pollution. In 2016, tyre abrasion was estimated to represent 78 percent of the 1.3 million metric tonnes of microplastics entering the ocean.

The UNECE methodology to measure particle emissions from tyres will become the reference methodology of the Euro 7 proposal of the European Union. Moreover, EU tyre regulation and labelling covering noise, wet grip, rolling resistance and environmental transparency build directly on UNECE’s standards.

How has UNECE addressed tyre safety at legal minimum tread depth?

GRBP introduced requirements ensuring that tyres at the legal minimum tread depth (1.6 millimetres) retain a minimum wet-grip level relative to new tyres. This is a shift towards safety and sustainability by permitting consumers to drive worn tyres safely, potentially reducing waste. It obliges manufacturers to design tread compounds and patterns that preserve wet performance over the tyre’s life, not just when new.

What regulations were introduced for studded tyres in 2022?

In September 2022, a new UN Regulation to cover performance requirements and marking of studded tyres entered into force to increase road safety by introducing harmonised snow grip requirements for studded tyres. It simplified the legislative situation in several countries that allowed the usage of studded tyres on public roads, introduced strict requirements and procedures for testing their snow grip and allowed consumers to benefit from more coherent winter tyre markings.

What additional areas has UNECE been working on to align safety and environmental goals?

By refining noise standards, updating testing protocols and promoting tyre lifecycle efficiency, UNECE is steadily shaping regulations to match environmental and safety objectives. This includes work on enhanced noise testing for tyres (UN Regulation No. 117) and motorcycles (UN Regulation No. 41) and vehicle alert systems (UN Regulation No. 138/51)

How does UNECE ensure global relevance, transparency and participation in its work?

All this work in setting technical specifications testifies to UNECE’s high relevance in providing a global harmonisation framework. Its expanding scope, especially in environmental dimensions such as micro-plastic emissions, is helping it maintain policy leadership and normative force, shaping tyre safety, noise and environmental performance worldwide.

A very important aspect of UNECE work is that it prevents fragmentation of the tyre regulatory landscape. GRBP is open to governmental experts from any member country of the United Nations and to any regional economic integration organisation set up by member countries of the United Nations including experts of governmental organisations and non-governmental organisations (NGOs).

UNECE provides secretarial support to WP.29 and its working parties, facilitating negotiations between contracting parties to the 1958, 1997 and 1998 agreements. More than 100 experts participate in the sessions of GRBP and all documents considered by GRBP are available in the public domain.

What are UNECE’s priorities going forward to support safety and the circular economy?

Leveraging its technical authority and norm-setting capacities, UNECE is uniquely positioned to foster a globally harmonised tyre labelling framework that covers rolling resistance, wet grip and, for the first time, tyre abrasion. This framework promotes consistency, environmental protection, consumer transparency and ultimately supports worldwide regulatory alignment.

At its session in September 2025, GRBP will consider the proposal for a new UN Regulation on the uniform provisions concerning the approval of tyres with regard to abrasion performance.

UNECE is also updating UN Regulations no. 108 (passenger car/towed vehicle Retreaded tyres), 109 (commercial vehicle retreaded tyres) and 172 (snow performance of retreaded tyres) to ensure retreaded tyres meet the same safety standards as new tyres, even in challenging winter conditions but in a way that makes regulatory processes smoother and more conducive to circular economy practices.

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Agricultural machinery specialist Emyr Evans marked four decades in business by restoring the first new tractor it ever sold. The Massey Ferguson 3065, originally purchased in late December 1995 for New Year delivery, has been beautifully brought back to life. It now rides on the latest MICHELIN AgriBib 2 tyres, supplied and fitted by Saracens, a trusted partner and part of the Michelin Quality Centre network. The tyres fitted are 340/85 R24 on the front and 420/85 R34 on the rear.

Emyr Evans founded the company with his wife Gwenda in 1986, starting with used tractors before becoming a Massey Ferguson dealer for Anglesey and Gwynedd in 1996 from their base in Gaerwen. By 2002, their territory had expanded to cover all of North Wales to the Cheshire border, prompting the opening of a second depot in Denbigh. Over the years, the business has grown by adding major franchises including JCB, Fendt, McHale, Pottinger and Bailey. Today, their sons Gwynedd and Berwyn manage the two depots.

The restored tractor is a significant piece of the company’s history, representing the last of Massey Ferguson’s 3000 series of versatile mid-range tractors. It was originally sold to a farmer in Anglesey and had worked there ever since. Despite its coastal location near the Irish Sea, it remained in working order but required dedicated care and attention.

The choice of modern Michelin tyres highlights the evolution in agricultural technology. The current AgriBib 2, with its improved tread pattern featuring 45-degree lugs, offers enhanced traction, durability and a higher load index to cope with the increasing weight of modern machinery. Comparing it to the Bib’X M18 from the 1990s illustrates this progress. For example, a 16.9 R34 Bib’X M18 carried a maximum load of 2,060 kg at 40 kmph, while the equivalent AgriBib 2 now carries 3,075 kg, an increase of over a tonne per tyre.

The restored Massey Ferguson 3065 is being showcased along with a collection of vintage tractors at the company’s 40th Anniversary Open Days (11 and 12 March) at their Denbigh depot on the Colomendy Industrial Estate.

Berwyn Evans, Director at the business, said, “The tractor was sold to a farmer in Anglesey and has been working there ever since. Due to the location by the Irish Sea, it needed some TLC but was still in working order. As the tractor is now 30 years old, it’s been a challenge tracking down replacement parts but a worthwhile one. When it came to fitting new tyres to this special tractor, the only choice was Michelin, which is king in the agricultural world.”

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Bridgestone Central Europe has announced leadership changes effective 1 March 2026, with Francesco Landolfo stepping into the role of Business Unit Director Commercial CER. He will oversee operations across Germany, Austria, Switzerland, Denmark, Finland, Norway and Sweden.

Landolfo takes over from Christoph Frost, who guided the commercial division for eight years and was instrumental in embedding the company’s premium approach throughout the region. Frost transitions to a new capacity as Director of Retread Business for Bridgestone EMEA, where he will manage the Bandag retreading enterprise across Europe.

Christoph Frost, Director Retread Business Bridgestone EMEA.

Waqqas Ahmad, Vice President Commercial Europe, highlighted that these moves are vital for advancing the premium strategy in Central Europe and within the retread sector. He noted that both individuals possess the necessary expertise and forward-thinking mindset to deepen client connections and reinforce the brand’s upmarket standing

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Omni United has announced the appointment of Dr Mika Lahtinen as Associate Vice-President for Raw Materials and Compounding. The appointment is intended to internalise expert-led design and performance for the rubber compounds used in the company’s flagship brand, Radar Tires.

Dr Lahtinen joins the Singapore-headquartered firm with over 20 years of experience in tyre material innovation. He previously led material development at Nokian Tyres and managed global technology for tyre oils at Nynas, operating across Finland, Sweden and Singapore.

He holds a PhD in Polymer Materials Technology, and at Omni United, he will be involved in the development of materials and compounds, as well as collaboration with global suppliers to advance the company's tyre technology.

The move is designed to provide the manufacturer with direct control over the chemical engineering of its products. Omni United, founded in 2003, markets a range of consumer and commercial tyres under brands including Radar Tires, Patriot Tires and RoadLux.

Omni United sells products in more than 50 countries. Its primary brand, Radar Tires, has been manufactured as a carbon-neutral product since 2013. The integration of in-house compounding expertise is expected to support the company's commitment to innovation and logistics solutions within the global automotive sector.

In an statement the company stated, ‘Bringing Mika’s expertise in-house is a strong addition to our team. It allows us to take a more direct, expert-led approach to the design and performance of Radar Tires’ rubber compounds. With over 20 years in tyre material innovation, Mika has an extensive background in developing breakthrough materials, developing cutting-edge compounds, and collaborating with global suppliers to advance tyre technology.’

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Continental has further strengthened its foothold in the electric mobility sector, with its original equipment tyres now featured on the 10 highest-volume electric vehicle manufacturers in the Europe, Middle East and Africa (EMEA) region for 2025. This achievement highlights the tyremaker’s strategic commitment to the expanding e-mobility market. Worldwide, the Hannover-based company supplies tyres to 17 of the 20 largest electric vehicle producers, including a mix of premium and volume brands such as BYD, Volkswagen, Stellantis, BMW, NIO, Hyundai and Renault. In the Americas, Continental currently equips eight of the top 10 manufacturers, while in the Asia Pacific region – the most dynamic market – it supplies seven of the top 10. The Chinese market remains especially fluid, with new high-volume players emerging in the rankings over the past year.

Electric vehicles impose distinct demands on tyres. Their heavier weight, due to large batteries, and the instant torque delivered during acceleration contribute to increased tyre wear. Moreover, because these vehicles operate more quietly than traditional combustion-engine cars, tyre rolling noise becomes more perceptible. Continental anticipated these challenges early, focusing on developing tyres with low rolling resistance, reduced noise and long mileage, regardless of the powertrain. The company introduced its first energy-efficient tyre line in 1993 with the ContiEcoContact, and the latest iteration, the EcoContact 7, is now available.

This new model incorporates aerodynamic enhancements, including a golf ball-inspired ‘aerodimple’ structure on the sidewalls, which minimises air turbulence and improves energy efficiency. Such features make it well-suited for both electric and conventional vehicles. Global electric vehicle sales continue to rise, with the Fraunhofer Institute for Systems and Innovation Research projecting a 23 percent increase in battery-electric vehicle sales for 2025, reaching 12.7 million units. The Asia-Pacific region, led by China, remains the dominant market with double-digit growth, while Europe follows as the second largest. North America saw registrations hold steady at 1.4 million vehicles.

Dennis Bellmund, responsible for the global original equipment business at Continental Tires, said, “The EMEA region confirms the success of our strategy. We began designing our passenger tyres for low rolling resistance, quiet rolling noise and high load capacity very early on. These properties are especially important for electric vehicles.”

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