A global tyre manufacturer NEXEN TIRE is revolutionising tyre development by integrating advanced technologies such as eXplainable AI (XAI) and 3D printing.

NEXEN TIRE has traditionally followed a multi-step process for tyre development, involving designing structures and patterns, creating molds, manufacturing prototypes, and testing them on vehicles. The company has streamlined this process by incorporating XAI and 3D printing and enhanced product precision.

XAI, an artificial intelligence technology, helps analyse and understand the causes and processes behind machine learning algorithms. NEXEN TIRE uses XAI to analyse various information related to tyre design, such as basic designs, key design variables, performance contributions, and design directions. This maximises design efficiency and helps propose optimal structures and designs that meet tyre developers’ requirements.

NEXEN TIRE leverages XAI-driven designs to create Virtual Tire Models, assessing product performance in virtual environments. This increases accuracy and speed in tyre development. The company’s recent decision to adopt a driving simulator will elevate virtual development further.

Once a model passes the virtual development stage, a physical prototype is produced for final evaluation, which requires mould production. NEXEN TIRE utilises 3D printing technology to make molds, enabling the simultaneous creation of prototypes in various designs and specifications. As these prototypes have already undergone verification in the virtual development process, the chances of final product approval are significantly increased.

Traditionally, mould production alone took two to three months, but with 3D printing, this period can be cut by at least 70%. Additionally, production costs can be reduced by at least 50%, ensuring cost efficiency from the early stages of development.

The 3D printing-based mould manufacturing technology allows for innovative tyre designs that include diverse and complex patterns and sipes. This is crucial for supporting high-performance vehicles and providing consumers with enhanced performance and safety. NEXEN TIRE has applied for an international patent for its 3D printing technology.

By innovating its development process, NEXEN TIRE enhances product competitiveness while reducing time and costs. The company also contributes to sustainable management by reducing waste and costs associated with discarded prototypes.

“The ultimate goal of our technological innovations is to enhance customer satisfaction.” A NEXEN TIRE representative stated, “Transforming the tyre development process not only secures market competitiveness but also contributes to environmental protection during the development process, shaping the future of tyre manufacturing and driving revolutionary change.”

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Hankook Tire, the exclusive tyre supplier for the FIA World Rally Championship, has concluded the fifth round of the 2026 season, Rally Islas Canarias, which took place from 23 to 26 April in Spain’s Canary Islands. For the demanding asphalt stages, Hankook provided its specialised Ventus Z215 and Ventus Z210 tarmac rally tyres, engineered to handle extreme conditions.

The event, first held in 1977, marked its 50th anniversary this year and its second edition as an official WRC round. Competitors tackled 18 special stages across Gran Canaria Island, centred around Las Palmas, covering approximately 322.61 kilometres. The course featured rough, high-abrasion volcanic asphalt with dramatic elevation changes, while dense fog and local rain above 1,000 metres made weather a decisive factor. The opening day’s Super Special Stage at the BP Ultimate Circuito Islas Canarias offered side-by-side racing, where small pace differences quickly altered positions.

Hankook’s tyres provided reliable grip and control at high speeds and through continuous cornering, helping drivers maintain stability on the technical routes. Sébastien Ogier of TOYOTA GAZOO Racing secured his first win of the season, leading a team podium sweep. In the Drivers’ Championship, Elfyn Evans leads with 101 points, followed closely by Takamoto Katsuta on 99.

The 2026 WRC season now moves to Round 6, Vodafone Rally de Portugal, from 7 to 10 May in northern Portugal, a demanding event mostly on unpaved surfaces. Hankook will operate a ‘Brand World’ booth in the service park there, using motorsport content and hands-on experiences to promote its premium image. As exclusive WRC tyre supplier since 2025, Hankook continues integrating data from over 70 global championships into R&D, advancing high-performance tyre technology and the Ventus brand’s global leadership.

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wdk, the German Rubber Industry Association, and the ADK, the German Rubber Industry Employers’ Association, hosted their annual Rubber Industry Day in Berlin on 28 April 2026. The event saw wdk President Michael Klein issue an urgent call for industrial policy measures, warning that pressure on Germany’s manufacturing base remains relentless. He argued that the country can no longer afford strategic delays, insisting that declarations of intent must be replaced by immediate action to reduce bureaucracy and energy costs for businesses.

Citing fresh member survey data, Klein reported that sales, revenue and production levels in Germany’s rubber industry are predominantly declining compared to the previous year. He described this downturn as a clear warning signal, noting that companies have exhausted their potential at domestic sites. Without political support, he added, only foreign markets remain viable alternatives, while Germany continues to lose industrial substance.

The wdk president stressed that the federal government’s failure to implement countermeasures risks permanent damage to the nation’s industrial base. He expressed bafflement that political decision-makers have long known what needs to be done yet have failed to act for an extended period. Klein concluded that proactive intervention is now essential, as the erosion of Germany as a production location must finally be stopped to preserve the manufacturing sector as the backbone of the economy and a guarantor of prosperity.

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Bridgestone Americas has concluded the first phase of a joint research initiative with Penske Transportation Solutions, known as the Decarbonisation Lab, which focused on identifying commercially ready methods for reducing carbon emissions in real-world commercial fleet operations. The partnership confirmed that both companies intend to continue their collaboration with a second phase of testing in 2026, building on the operational data gathered during the initial stage.

Working alongside Dynamon, a specialist in advanced data analytics, the Lab’s first phase involved logging more than 500,000 fleet miles to assess three specific operational areas. The use of low-rolling-resistance retreads, continuous tyre pressure monitoring and Bridgestone casings on Penske vehicles produced a measurable gain of 6.35 percent in fuel economy. In a separate track, the partners tested renewable diesel in Tennessee, a state outside the usual Low Carbon Fuel Standard markets, to study long-term maintenance needs and efficiency results.

A third work stream saw Penske and Bridgestone engineering teams jointly redesign aspects of Bridgestone’s automotive tyre retail distribution network, with the goal of cutting roughly 152,000 miles from that logistics system. Scaling that approach across the entire dedicated fleet operated by the two companies would correspond to a four to six percent drop in CO₂ emissions, according to the project’s projections.

The overall findings from the Decarbonisation Lab reinforce the idea that meaningful near-term sustainability gains require a combination of proven technologies, rigorous data collection and close industry cooperation rather than isolated efforts. Representatives from both organisations are scheduled to present the first-phase results at ACT Expo 2026 in Las Vegas on the afternoon of 4 May.

Erik Seidel, head of sustainability for Bridgestone in the Americas, Europe, Middle East and Africa, said, “Our Bridgestone team is proud to have partnered with Penske for more than a decade, from IndyCar racing to deploying millions of retreaded tyres across the Penske fleet. The Decarbonisation Lab is a testament to how sustainable transformation can be accelerated when we work together.”

Bill Combs, Senior Vice President, Partnership & Sustainability Strategy, Penske, said, “We are honoured to collaborate with Bridgestone to bring the Decarbonisation Lab to the marketplace. Our companies have enjoyed a successful history of uncovering great solutions that benefit our customers and the industry.”

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Maxion Wheels will showcase a low‑carbon commercial vehicle steel wheel at IFAT Munich as part of the Daimler Truck–led reECONIC concept vehicle. The component demonstrates how circular material strategies and advanced engineering can significantly cut carbon footprints at the individual part level.

For the reECONIC project, Maxion Wheels developed a 22.5-inch x 9.00-inch steel wheel that achieves a CO2 footprint reduction of more than 50 percent compared with conventionally manufactured counterparts. The wheel weighs 32.5 kilogrammes and was produced using electric arc furnace steel with a high proportion of post‑consumer recycled scrap.

The wheel’s cradle‑to‑gate CO2 footprint fell from 132.7 kilogrammes to 61.4 kilogrammes per wheel through a combination of CO2‑reduced steel, optimised design and responsible material selection, all without compromising functionality, performance or safety. Given that steel wheels are safety‑critical and among the heaviest parts of a commercial vehicle, their mass and material composition make them a key lever for emissions reduction and overall vehicle efficiency.

Maxion applied its proprietary Lightweighting Process, which integrates performance, safety and production parameters into advanced structural design and simulation tools. This enabled a 2-kg weight saving compared with previous designs, lowering material demand and further reducing the carbon footprint. However, the majority of the emissions reduction came from material circularity, since raw materials account for roughly 75 to 85 percent of a steel wheel’s CO2 footprint.

Using high‑share post‑consumer recycled scrap via the electric arc furnace route lowers primary raw material demand, reduces iron ore mining and cuts energy‑intensive processing steps. The wheel was engineered at Maxion’s Global Engineering Center and plant in Königswinter, Germany, using industrially proven processes suitable for future scale‑up. Daimler Truck intends the reECONIC project as a pathway to series production, with real‑world testing starting in the second half of 2026.

The reECONIC vehicle will be unveiled at IFAT Munich from 4–7 May 2026, where it will be displayed and demonstrated as part of Daimler Truck’s circular‑economy initiative. The project confirms that circular design and recycled materials can be applied to high‑volume, heavily loaded parts, offering tangible CO2 savings within existing manufacturing frameworks.

Karl Rode, Director of Engineering at Maxion Wheels, said, “The reECONIC project allowed us to apply our engineering and material expertise to a clearly defined circular‑economy objective. By combining recycled‑material‑rich steel with targeted design optimisation, we were able to more than halve the CO2 footprint of a safety‑critical steel wheel using industrially feasible processes.”

Stan Mommers, Vice President Sales EMEA at Maxion Wheels, said, “Working with Daimler Truck on reECONIC shows how suppliers and OEMs can jointly translate circular‑economy principles into measurable results. Component‑level innovations like this steel wheel are essential for enabling lower‑carbon commercial vehicles in the future.”

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