Each time you go to a tyre shop or a gas station to top up the tyre pressure in your vehicle’s tyres, what the attendant fills into the tyre is normal compressed air. But what exactly does compressed air contain? Compressed air is made up of 78% nitrogen, about 20-21% oxygen, and the balance one percent consists of CO2, and tiny concentrations of gases such as neon, argon and water vapour.

 When you specifically fill nitrogen gas into the vehicle's tyres, then you should have 100% dry nitrogen in your tyre. Dry nitrogen denotes that no        moisture content or any other gases are present in the tyre.

 Jay Chakraborty, who recently bought a second hand car, says, “After I bought my car, I changed the tyres and I’ve heard so many people talk about  how good nitrogen has been for them that I decided to get my new tyres filled with nitrogen air. The car feels a lot better on bumpy roads, and I don’t  have to worry about checking tyre pressure every week.”

Benefits of nitrogen Vs compressed air

Nitrogen as a gas is made up of big molecules, whereas oxygen molecules are much smaller in size compared to nitrogen molecules. When compressed air is put into a vehicle’s tyres, the moisture in the tyre seeps through the rubber over time and evaporates quicker as its molecules are smaller in size. But as nitrogen molecules are bigger in size, they do not permeate the tyres rubber so easily and hence will stay in the tyre for a longer duration. This means that your vehicle’s tyres will lose less pressure over time compared to regular compressed air filled tyres.

For example: An inactive vehicle, whose tyres are filled with normal compressed air will lose tyre pressure every week. But a 100% nitrogen-filled tyre will lose tyre pressure a lot slower and won’t need to be topped up as frequently. 

Titus Remedios, “I filled nitrogen in the new tyres that  I purchased for my Maruti Ecco in June 2019. That time the tyre pressure filled with nitrogen was 35Psi. I use the car once a week and after the lockdown, the car hadn’t been used in months. I recently went back in October 2020 to the place where I had filled the nitrogen in the car tyres and the tyre pressure after 14 months had only dropped to 22Psi. .

Another point to note, nitrogen filled tyres get a green or blue colour valve cap. This is a universal symbol that your vehicle's tyres are filled with nitrogen and not compressed air.

Is Nitrogen right for you?

Over-inflation and under inflation of tyres make a major difference on the race track. But on your normal city road does it make a huge difference? Under-inflated tyres normally lead to less mileage, uneven wear on the tyre treads and more tyre wear and tear overall. Over inflated tyres run the risk of burning out the contact patch on the tyre too quickly, while adding more bounce vs grip to a vehicle's stability. In hot climate conditions, your vehicle's tyre pressure can jump up tremendously. Highway running speeds coupled with a harsh sun beating down, can lead to a  tear in the tyre or in extreme conditions, a tyre bursting. This is where nitrogen-filled tyres shine the most. Due to their molecular build, nitrogen molecules stay at a constant temperature in a tyre. So even if the temperature outside decreases or increases, the nirotgen in the tyre will remain the same. That is why race cars and racing motorcycles only use 100% nitrogen in their tyres all the time.

Now we are all not professional racers, but we do commute on a daily basis and even go for the occasional weekend drive out of the city for some sightseeing and relaxation. Will filling nitrogen in your vehicle's tyre help you? There are many who swear by nitrogen-filled tyres and an equal amount who feel that regular compressed air works just fine.

Personal tyre maintenance

If you are someone who keeps a check on the vehicles tyre pressure weekly and tops up the air when needed, you won’t need nitrogen filled into your vehicles tyre. However, if you are someone who tops air pressure once a month or once in two months, then filling nitrogen in your vehicle's tyres will help you reap the benefits of it. If you constantly make long highway trips and most of your time is spent behind the wheel, then filling nitrogen in your vehicle's tyres will be a boon.

Yash Ramrakhyani from Palghar runs a big tyre shop which sells Apollo, Bridgestone, Continental, Michelin and Yokohama tyres for every vehicle from a scooter to a heavy duty tempo. He says, “I get an average of 300 customers a year who want nitrogen filled in their vehicle’s tyres. There was a big local demand in the area for nitrogen-filled tyres, hence my father and me invested in the nitrogen unit. Tyres don't get hot, and nitrogen level doesn't go down so fast is what I have heard from customers as feedback, but the fact that people think nitrogen levels in the tyre doesn't go down is false. Even nitrogen-filled tyres have to be checked for tyre pressure once a month.

Nitrogen myths busted

Myth 1: Your vehicle's mileage will increase.

Truth: Your vehicle’s mileage depends on a lot of factors, tyres being just one small part of that equation. Having nitrogen filled tyres only gives you the benefit of having a most constant tyre pressure. However compressed air and nitrogen filled tyres both will loose pressure after a certain amount of time.

Myth 2: Your vehicle's comfort will be better, it will be soft on bumps.

Truth: Compressed air or nitrogen filled tyres will react the same way when on bumpy roads. It is the rubber compound and the type of tyres that you have that will make a difference in the ride or drive quality. As long as you maintain the right air pressure in your vehicle's tyres, you’ll be good.

Myth 3: You won’t have to fill up the tyre pressure as frequently.

Truth: Well this is true. Nitrogen-filled tyres will retain the pressure in your vehicle's tyre for a longer time duration compared to tyres filled with compressed air. However, even nitrogen-filled tyres loose pressure over time and you have to get the pressure checked and topped up from time to time.

Myth 4: Your vehicle's tyre will last longer

Truth: The tyre on your vehicle rely on you to make sure you maintain the recommended air pressure inorder for it to do its job properly. Under inflated and over inflated tyres will wear out faster when compared to tyres that have been properly maintained.

Myth 5: The rims on your vehicle won't rust

Truth: There is some amount of truth in this. As nitrogen-filled tyres contain less or no water vapour, the moisture content in the tyre is less. Less moisture equals to less rust on the inside of the wheel. But that doesn’t stop the rest of the wheel from rusting due to everyday washing and climate conditions.

Myth 6: There are few tyre shops / fuel pumps that offer nitrogen.

Truth: Compressed air is mostly nitrogen gas. So even if you have nitrogen-filled tyres, but you’re running low on tyre pressure and there’s no nitrogen filling station around, you can still fill normal compressed air. It will not have any major impact on your vehicle's tyres. Maintaining the right tyre pressure is key.

The catch

The nitrogen that you get filled in your vehicle's tyres is not a 100% or even 99% pure nitrogen. A brand new or even an old tyre once deflated has some amount of air inside it. It is the atmospheric air that's already there all around us. So unless you drain all the air in the tyre out and refill it nitrogen and drain the tyre again 2-3 times, you’ll still be running your vehicle's tyres with 90% nitrogen and not 100% nitrogen. But even then you’re not guaranteed that your vehicle's tyres will be filled with 100% pure nitrogen. There is no way to measure how much nitrogen is there in your vehicle’s tyre. Nitrogen will cost you, whereas compressed air is free at most petrol pumps or Rs.1-2 at a tyre shop. Nitrogen costs on the other hand vary from place to place and the kind of machine they have. The machines that are at the tyre shops or petrol pumps that offer nitrogen, do not deliver pure 100% nitrogen! Some machines will have a percentage rating of how much nitrogen it provides to the tyre and some have no percentage levels at all. Filling nitrogen in your vehicle's tyres can cost you anywhere from Rs.150 for four tyres to Rs.50 per tyre and can go all the way up to Rs.1,500 for a set of four tyres.

Conclusion

Have you ever noticed that vehicle manufactureres never recommend nitrogen in their manuals or at their service centers. The reason behind this is your vehicle's tyres are manufactured to run on normal compressed air. As long as you maintain the right tyre pressure in your vehicle’s tyre, you’ll be fine.

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Egypt has taken a step towards establishing a USD 500 million tyre manufacturing complex in the Sokhna Industrial Zone, according to Daily News Egypt, following the signing of a letter of intent between the Suez Canal Economic Zone (SCZONE) and China’s Zhongce Rubber Group.

Minister of Investment and Foreign Trade Mohamed Farid and SCZONE Chairperson Mostafa Sheikhoun witnessed the signing, which sets out a framework to study the project’s feasibility and assess its technical and investment requirements.

The proposed development would span about 600,000 sq metres and be implemented in three phases. Around 95 per cent of production, comprising passenger car and truck tyres, would be directed towards export markets.

Farid, as per the report, said the agreement marked “an important step towards exploring the establishment of an integrated industrial project in the tyre sector”, adding that it reflects efforts to attract foreign direct investment, expand production and boost exports.

He said Egypt’s geographical position, infrastructure and logistics capabilities support access to markets in Africa, the Middle East and Europe, strengthening its potential as a regional manufacturing hub.

Sheikhoun said the project aligns with SCZONE’s strategy to attract industrial investment and deepen local manufacturing, adding that the Sokhna Industrial Zone offers logistical advantages and access to global trade routes.

Shen Jinrong, Chairperson and General Manager of Zhongce Rubber Group, said the company plans to implement the project in three phases, with investments of about USD 500 million He added that around 95 percent of production would be exported as the group seeks to expand in regional and international markets.

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Prinx Chengshan is showcasing its core brand portfolio at the 21st China International Tire and Wheel Expo (CITEXPO 2026), which commenced in Shanghai on 2 September. Having evolved over two decades, this annual gathering has solidified its status as a pivotal professional trade fair for the Asia-Pacific tyre and wheel sector. The company’s exhibition presence features its four principal labels: PRINX, Chengshan, Austone and Fortune.

A significant focus of Prinx Chengshan's recent corporate strategy has been the off-the-road tyre segment, where substantial industrial advancements have been achieved. The company has operationalised a green, intelligent manufacturing facility dedicated to OTR production, leading to the successful serial production of giant tyres in 27.00R49, 30.00R51 and 33.00R51 dimensions. The recent addition of a 57-inch model, which completed production in August, has expanded this product matrix and signifies a new developmental phase in speciality tyre engineering.

The company's technological prowess in the OTR field is demonstrated by specific products at the expo, including the ERD47 tyre for rigid dump trucks and the ET36 for wide-body dump trucks. These models serve as tangible evidence of the manufacturer's continuous research and development breakthroughs within this demanding sector.

In the passenger vehicle domain, Prinx Chengshan is presenting its newly launched Austone MEI series, which embodies the brand's philosophy of instilling driving confidence and aesthetic appeal. This series offers three distinct products: the Meizong all-terrain tyre, the Meijie ultra-high-performance tyre and the Meitu high-performance tyre. Also featured is the Prinx Chroma Sprite, which distinguishes itself with coloured sidewalls that challenge conventional tyre aesthetics while incorporating noise-reduction and anti-photo-oxidation technologies for enhanced durability.

Leveraging extensive commercial vehicle expertise, the company has developed proprietary technologies including GPT low rolling resistance, X-CHIP intelligent tyre and ETT wear-resistance for electric trucks. These innovations have established industry benchmarks in the replacement market and facilitated growth in original equipment segments. The Austone AAR608 for long-haul routes and the Fortune FDO307 for mining conditions are on display, showcasing the expanding scope of the company's industrial solutions.

Looking forward, Prinx Chengshan intends to persist with its integrated product and service approach, focusing on the varied requirements of global customers. By enhancing product quality, service delivery and brand equity, the company aims to contribute substantially to the sustainable progress of the worldwide transportation industry through its advanced manufacturing capabilities.

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Triangle Tyre has been appointed as the inaugural Official Tyre Partner of Brentford Football Club following the signing of a new two-year exclusivity agreement in the tyre category. The contract was formalised in London by Brentford Commercial Director Fran James and Triangle Tyre’s Europe General Manager, Corrado Moglia.

The alliance unites two performance-focused entities that share a challenger philosophy, having each ascended in their fields through strategic intelligence and operational efficiency. Brentford’s renowned data-driven methodologies are complemented by Triangle Tyre’s dedication to engineering research and product advancement, creating a synergy between on-pitch analytics and industrial innovation.

As part of the arrangement, Stapleton’s Tyre Services, the largest UK distributor of passenger car tyres, has been designated as the Local Delivery Partner to facilitate the activation of commercial rights domestically. Brentford’s international visibility is expected to elevate Triangle Tyre’s global brand presence, while the club will also coordinate targeted promotional efforts within London and the broader United Kingdom.

Sustainability forms a core pillar of the collaboration, providing a platform to highlight Triangle Tyre’s environmental commitments and technological developments alongside community initiatives nationwide. The tyre manufacturer will benefit from matchday branding at the Gtech Community Stadium, player and ambassador content opportunities and exclusive hospitality access during home fixtures.

Fran Jones, Commercial Director, Brentford, said, "It's very exciting to welcome another challenger brand like Triangle to our partnership family. When you share that mindset, the understanding of what the partnership can achieve is clear from the start. Triangle's innovation and sustainable commitments really impressed us too, so I have full faith that this is the beginning of a strong, impactful relationship."

Corrado Moglia, General Manager – Europe, Triangle Tyre, said, “We are extremely pleased to begin this partnership with Brentford Football Club. Brentford is a club with a strong identity, an ambitious approach and a reputation for competing successfully through intelligence, organisation and determination. Triangle and Brentford share a challenger mindset and believe that data, technology and efficiency can deliver outstanding results. This partnership is an important step in strengthening Triangle’s brand visibility across Europe while providing a powerful global platform to communicate our innovation, sustainability and corporate responsibility.”

Andy Fern, Managing Director, Stapleton’s Tyre Services, said, “We are delighted to support this exciting partnership. As the UK’s largest tyre distribution business, we have worked with Triangle for many years to bring its passenger car tyres to market, and have seen first-hand the brand’s commitment to innovation, quality and sustainable development. Brentford’s progressive approach and strong community connection make them an excellent partner. We look forward to bringing the partnership to life and creating meaningful opportunities to engage our customers, and, ultimately, drivers across the country.”

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Michelin has secured a landmark contract extension with the Fédération Internationale de l’Automobile (FIA) and the Automobile Club de l’Ouest, cementing its role as the exclusive tyre supplier for the Hypercar class in the FIA World Endurance Championship. The renewed agreement, which emerged from a formal tender process, will now remain in effect through the conclusion of the 2032 season, adding three additional years to the existing deal that was originally set to expire in 2029.

The French tyre manufacturer has maintained an uninterrupted presence in elite endurance racing since 1998 and was instrumental in the championship’s revival in 2012. Currently, Michelin supplies every competitor within the Hypercar field, a category that showcases premier global automotive brands. Within this highly competitive environment, tyre performance directly influences speed, strategic decision-making, safety protocols and overall ecological footprint.

Endurance racing continues to function as a critical testing ground for Michelin’s technological advancements, with extreme track conditions, varied weather and sustained high-speed loads driving rapid innovation. These rigorous demands facilitate the transfer of cutting-edge developments to everyday road tyres. Furthermore, the company has leveraged motorsport to advance sustainable mobility, as evidenced by the new 2026 MICHELIN Pilot Sport Endurance range, whose slick compounds now feature 50 percent renewable and recycled materials.

This extended partnership ensures Michelin will maintain its development platform alongside the FIA, the ACO and all Hypercar manufacturers. The collaboration underscores racing’s capacity to produce tangible, resource-conscious solutions that uphold performance standards while addressing environmental considerations across the entire tire lifecycle.

Matthieu Bonardel, Director, Michelin Motorsport, said, “We are particularly proud of the renewed confidence shown in Michelin by the Fédération Internationale de l’Automobile and the Automobile Club de l’Ouest. I would like to sincerely thank both organisations for the quality of our discussions throughout this tender process. This contract extension is a strong recognition of the quality of the tyres and services we provide, as well as our ability to continuously innovate. It is also excellent news for our teams and for all our manufacturer partners, with whom we share the same ambition: to push the boundaries of performance while accelerating the transition towards increasingly sustainable mobility.”

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