Tyre testing is not a new concept. In fact, is there any industry that can do without tests? However, what tyre testing does bring into consideration is an umpteen number of factors – everything from the road wear to the certification, the testing spots and, of course, the different types of testing and the very tyres themselves. Discussing these very aspects with Tyre Trends, Ismo Halén, Vice President at BD Testing Inc, spoke about Black Donuts, the subjective and objective views of tyre testing, the convenience of BD Testing having its own indoor testing facility and more. Read on…

The name Black Donut is self-explanatory, making it rather individualistic. A tyre resembles a donut and is black in colour – simplicity at its best. Black Donuts offers a range of solutions for tyre product development and testing, tyre factory construction, plant process design and process development. Therefore, Black Donuts has many business areas, and one of them is service in product development. When it comes to testing, Black Donuts owns 90 percent of another company, BD Testing Inc, which is into tyre testing and high-end customer service. Plus, Black Donuts also happens to be one of BD Testing’s customers.

BD Testing’s customers
When we caught up with Ismo Halén, Vice President at BD Testing Inc, he told us, “Black Donuts designs new tyres and new tyre models or improves existing tyres. That’s why they need testing in order to support the product development. Black Donuts Engineering was founded in 2011, and we were a test team within the company in the beginning. However, we separated in 2012 into an individual company, and now we have separate management and everything else that’s individually ours. We don’t have anyone from Black Donuts working at BD Testing. They are only one of our customers.”

And as customers, they can always decide who tests their tyres. “For instance, Black Donuts can use BD Testing for product development testing because we understand each other. However, the customer can  reach out to other companies to test their tyres as well. For example, when a product is finished, customers usually make homlogation tests somewhere else,” Halén explained.

When it comes to customers/clients, Halén mentioned that it’s not exactly easy to acquire new clients. However, he added, “I’m happy because we already have so many customers that even if somebody doesn’t order anything that others do, we are still in a very good situation.” When turning to his plans on approaching any Asian manufacturers, he responded that while they don’t have any plans for Asia, they would consider going there if there are proving grounds that can be used or rented.

BD Testing’s various focus areas
BD Testing goes beyond this and also issues certification. It has a quality system and is accredited for some R117 tests. “This includes rolling resistance, wet grip, noise measurement and snow performance,” Halén mentioned and continued, “Earlier, we would do wet grips, noise measurements etc. But just one year ago, we started focusing more on winter testing. We now conduct snow and ice tests for the label, which comes under the R117 tests. Additionally, we provide technical service to The Netherlands Vehicle Authority (RDW). RDW will issue many types of approvals for many tyre manufacturers, and we can conduct snow tests for them.”

“Furthermore, in Nordic countries, we use studs in the tyre, which has to be approved. Besides, we make road wear testing for studded tyres, which needs mandatory approval from the Finnish Transport Safety Agency, TRAFI,” Halén further explained.

Making it work
As far as testing and tyres go, BD Testing does both indoor and outdoor testing and is currently focusing on winter testing, winter tyres and studded tyres (conducting only product development tests for summer tyres). However, because the business is open all year, the winter tests are held in ice halls during the summer, Halén shared. As for snow testing, the indoor tests are conducted in Ivalo and Sweden.

However, most big tyre manufacturers conduct the majority of their tests themselves. Yet, that doesn’t stop a company like BD Testing. There are certain factors in testing that tyre manufacturers can’t carry out themselves and thus have to turn to the likes of BD Testing.

“For example, with road wear testing, it isn’t something they can do by themselves,” Halén asserted and added, “There are only five laboratories that can do that, and we are one of them. Similarly, indoor testing and snow testing is something they may not want to do – it’s a long way to travel and they don’t have the capacity to do so, which is where we come in.”

Indoor testing and outdoor testing
Speaking of indoor testing, it is the easier one to conduct over outdoor testing, Halén claimed. But since handling driveway in itself involves the car being built outdoors, there’s no choice over there, he informed.

What’s more, Halén asserted that usually they don’t test the same things indoors and outdoors – the two aren’t competing and are individual. “Their requirements too are different. But as for product development, some indoor testing is needed, like footprint or contact presser, which gives the designers a lot of information,” he enlightened.

BD Testing would, however, like to have its own indoor testing facility where tests can be conducted whenever needed. “Although, as of now, we have to rent for indoor testing, which can sometimes be fully booked,” Halén cited and added, “In fact, we want our own indoor testing facility that we can rent to other customers as well. However, it’s a huge investment and is too big for us at the moment.”

Objective and subjective testing
Another challenge that Halén spoke to us about, besides having an indoor testing facility, was in terms of manpower, where getting testing drivers is a challenge right now. When asked about the thought process behind selecting a testing driver (since the testing can be very subjective, from driver to driver), Halén highlighted that it’s the experience that plays a role. “And then, the drivers drive together and decide what works and what doesn’t. While these drivers do subjective tests, they, of course, also conduct objective tests. However, objective testing is easier, because you only have to know how to make the test,” he added.

Halén further said that with robots and automation, it’s possible that subjective testing will eventually get reduced in the future. “But in my opinion, with subjective driving, if a driver drives with a set of tyres, then we have a huge amount of information,” he pointed out. “Therefore, it’s a very fast way to have lots of information. If you try to have the same information with the help of machines, you’ll need several machines and it takes a long time. And if you need to analyse data, it takes a long time to develop a new methodology.”

A happy customer equals a successful company
While Halén gave us his clear visions in terms of BD Testing and the tyre testing industry as a whole, he also threw light on the company’s preparation for new regulations. “Additionally, we are focusing on what we are currently doing, targeting for higher quality and making our customers happy,” he expounded and added,
“Our strategy for that is based on the quality system we have. We have very close contact with our customers, so we try to understand what they need. Hence, I’m not trying to sell something to somebody if they don’t need it. Thus, I think our customers come to us themselves when they need something. So, ultimately, customer happiness has been our key to success.”

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Sun Auto Network is strengthening its presence in North Carolina by consolidating several well-known local businesses under the Sun Auto Tire & Service banner. This integration includes Piedmont Tire, which finished rebranding in late 2025, and four Tire Max locations that made the switch this past March. The process continues with Jackson Auto Worx, while Liberty Tire & Auto is scheduled to follow later in 2026.

To celebrate these changes, Tire Max will host grand opening events over two weekends in April. The first takes place 9 to 11 April at the Madison and Stokesdale stores, followed by the second from 23 to 25 April at the High Point and Summerfield locations.

These community-focused gatherings will feature promotional giveaways such as tyres and a full year of free oil changes, along with other special offers. Through this investment, Sun Auto Network aims to benefit both local drivers and the wider North Carolina communities it now serves.

Michael Loa, Regional Vice President, said, "This is about creating a more unified and recognisable presence across the region. Aligning these stores under the Sun Auto Tire & Service name builds on the strength of our existing network while delivering a more consistent experience for drivers."

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Scandinavian Enviro Systems AB (publ) (Enviro) has been informed that Infiniteria Sweden AB and Infiniteria Europe Sàrl plan to ask the Gothenburg District Court to immediately end Enviro’s ongoing company reorganisation. Infiniteria also challenges the legality of Enviro’s recent contract cancellations regarding their joint venture and has indicated it will seek damages as a result.

The reorganisation was originally approved by the same court on 27 February 2026. Infiniteria now argues that the process should be halted at once because its intended purpose is unlikely to be achieved and because continuing would be unfair to Infiniteria. Furthermore, Infiniteria has made clear it will oppose any reorganisation plan that Enviro might put forward.

Infiniteria disputes the validity of Enviro’s termination of their joint venture agreements, which occurred on 20 March 2026 under the Swedish Company Reorganization Act. While no formal damages claim has been filed yet, Infiniteria preliminarily estimates potential claims from the terminations at roughly EUR 84 million. This estimate partially overlaps with an existing arbitration claim against Enviro that was disclosed on 6 February 2026.

Enviro firmly rejects Infiniteria’s stance, asserting that its conclusions rest on incomplete and incorrect information, making them unfounded. Together with its legal advisors and the court-appointed administrator, Enviro is reviewing the matter and will respond to Infiniteria’s claims as directed by the District Court.

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Flat tyre protection specialist Tyron Runflat has joined the UK Towing Safety Alliance (UKTSA), strengthening efforts to raise safety standards for drivers who tow caravans, trailers, horseboxes and commercial loads across Britain.

Formed in May 2025, the Alliance is a national coalition convened by the Parliamentary Advisory Council for Transport Safety. It was created after the disbandment of the Trailer and Towing Safety All Party Parliamentary Group, driven by findings from the Driver and Vehicle Standards Agency. Nearly half of non‑caravan trailers inspected were non‑compliant, with many prohibited from road use due to defective brakes, lights or tyres. Towing‑related incidents rose 16 percent between 2022 and 2024.

The Alliance’s TLC campaign urges drivers to perform three pre‑towing checks. Tyres: pressure, tread depth and damage. Load: even distribution, legal limits and securing. Connectivity: lights, electrics and breakaway cables. Member organisations like TyreSafe, the National Caravan Council, the British Horse Society, National Highways, the Camping and Caravanning Club, the National Trailer and Towing Association and NFU Mutual tailor messaging to their audiences.

Tyron specialises in blowout protection. Its patented MultiBand fills the wheel well, preventing the tyre bead from dropping during rapid deflation. This helps drivers maintain steering control to reach safety. The system can also fit alongside Tyre Pressure Monitoring Systems using a dedicated bracket.

The Alliance focuses on education over enforcement, helping drivers take simple steps for safer towing. By combining members’ expertise, it delivers practical guidance from leisure caravanners to agricultural and commercial operators.

Peter Simson, Director, Tyron Runflat, said, “Towing safety depends on multiple factors, but tyres remain one of the most critical elements in maintaining control of both the vehicle and the trailer. We’re pleased to join the UK Towing Safety Alliance and support the TLC campaign, which provides clear and practical guidance for drivers. Collaboration across industry is essential if we are to reduce incidents and improve awareness of the risks associated with towing. By working alongside organisations that share the same commitment to road safety, we can help ensure drivers are better informed and better prepared before they set off.”

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Goodyear kicks off its third year as the exclusive tyre supplier for the LMGT3 class in the FIA World Endurance Championship at the 6 Hours of Imola. All 18 cars competing this weekend will be fitted with Goodyear Racing Eagle tyres, continuing a partnership that began in 2024. The chosen compound for Imola is the Medium variant, recognisable by its yellow sidewall lettering, which is valued for its steady performance and reliability across multiple driving stints. This same tyre will be used at every WEC track throughout the current season.

Imola presents a unique test compared to more abrasive circuits thanks to its smooth asphalt and flowing layout that puts less stress on tyres. Lower degradation shifts the emphasis towards strategic planning over the six-hour race, rather than pure tyre preservation. This backdrop is where Richard Lietz and Riccardo Pera previously claimed their first victory together, eventually becoming 2025 LMGT3 champions alongside Ryan Hardwick. They now return with The Bend Manthey Porsche, joined by Yasser Shahin.

New regulations this season have increased tyre allocations, giving teams more strategic freedom. While the Medium’s proven durability still allows double stinting, the extra sets let crews fit fresh rubber at every pit stop, avoiding the need to overextend a stint and risk fading pace. For wet conditions, teams also have access to a Goodyear Racing Eagle Wet tyre, whose tread pattern is engineered to clear standing water and maintain grip.

Beyond the on-track action, the Goodyear Blimp will soar above Imola for its first appearance of the season. The Goodyear Wingfoot Award, decided by fan votes from both the grandstands and home viewers in a driver of the day format, also makes its return. Meanwhile, Goodyear Racing Eagle tyres are competing this weekend at Kansas Speedway in the NASCAR Cup and O’Reilly Auto Parts Series, as well as at Donington Park for the British Touring Car Championship opener.

Stephen Bickley, Goodyear Endurance Program Manager, Said, “Imola is less aggressive on tyres than many of the tracks we visit. It doesn’t generate high lateral loads and the surface is relatively smooth, so it’s naturally one of the kinder tracks on tyres. That opens up a range of strategic options for teams. You can double stint and gain time in the pit lane, or with the increased allocations, teams may choose to run new tyres more often. Our Goodyear Racing Eagle Medium tyre gives them the flexibility to consider both options. The circuit also has a clear left-hand bias, which places more load on the right side of the car. Teams may look at single stinting only the loaded side, while carrying the unloaded side for longer and doing more stints on that side. These differing strategies are what we expect will define the race for many teams this weekend.”

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