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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Prinx Chengshan took part in the SHACMAN Group Worldwide Partnership Conference in Xi'an on 15–16 October, where dealers, key accounts and industry partners from across the globe gathered. The company attended as a core strategic partner of SHACMAN and acted as exclusive tyre sponsor of the vehicle stunt show, joining domestic and international customers to examine fresh opportunities in the global commercial vehicle sector and help shape a new model of collaborative industry growth.

Cooperation between the two firms has deepened since 2024, centring on original equipment fitment for flagship high-end models including the Delong X5000 and X6000, with products offered domestically and overseas. Dependable product quality and supply chain assurance have enabled Prinx Chengshan to grow into a core tyre supplier to SHACMAN, consistently furnishing tyre solutions for its flagship ranges.

A dedicated stunt driving segment formed part of the conference, with Prinx Chengshan as sole tyre exhibitor backing the performance vehicles. Cars fitted with Chengshan XSTANCE PRO S10 and CDR621 tyres carried out sustained drifts, high-speed turns and other demanding manoeuvres, remaining stable even under extreme conditions such as tyre burnouts and showing strong wear resistance.

Li Wenli, a three-time national truck racing annual finals champion known as China's top heavy truck driver, rated the tyres highly for grip, durability and handling stability. Live demonstration in place of specification presentations made technical strengths tangible, letting partners observe stability under extreme friction and high-torque loads.

The conference allowed the company to strengthen mutual trust and communication with SHACMAN and to showcase its commercial vehicle tyre capabilities; at its 50th anniversary milestone, Prinx Chengshan reiterated its commitment to keep improving its global service network, advance alongside SHACMAN on a new globalisation journey and help build an industrial ecosystem defined by mutual benefit and collaborative development.

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Michelin has opened a 1,000 sq ft tyre and service store in Jammu in partnership with Maha Shakti Auto, expanding its retail presence in the northern Indian city.

The Michelin Tyres & Services (MTS) outlet is located in Main Bazar, Gumat, in Jammu’s commercial district. It will serve customers in the city and surrounding region, offering tyres for passenger cars, two-wheelers and commercial vehicles.

The store stocks Michelin’s Primacy, Pilot Sport, Latitude Sport and LTX Trail tyre ranges. Its facilities include wheel alignment and balancing systems, automotive accessories, and mechanical repair and maintenance services.

The outlet was inaugurated by Benjamin Coesnon, Marketing Director for India at Michelin, alongside the Maha Shakti Auto team.

Shantanu Deshpande, Managing Director of Michelin India, said “Jammu is an important market in Michelin's growth in North India. Its role as a regional trade and transit hub is creating steady demand for safe, reliable and high-performance mobility solutions. Our new Michelin Tyres & Services store brings Michelin's globally benchmarked products and services closer to customers in the region. Building on our recently launched Made-in-India Primacy 5, we will keep delivering mobility solutions tailored to the evolving needs of Indian consumers."

The company said the store was designed to address driving conditions in the region, where steep gradients, sharp curves and changing weather make tyre grip, braking stability and durability important considerations.

Maha Shakti Auto has 30 years of experience in Jammu’s automotive aftermarket, according to Michelin. The partnership combines the local business’s technical expertise and market knowledge with Michelin’s tyre technology and product range.

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The Yokohama Rubber Co., Ltd. has announced that the No. 77 BMW M4 GT3 EVO, fielded by Schubert Motorsport and fitted with the company's ADVAN global flagship tyres, secured the NLS Speed Trophy series championship. The award goes to the team accumulating the most points across all classes throughout Germany's Nürburgring Langstrecken-Serie (NLS). As the series champion in the NLS premier SP9 Pro class, the No. 77 also claimed a KW Team Trophy, presented to the car and team with the highest points total in each class.

This season marked Yokohama Rubber's role as an official partner of BMW M Motorsport in the NLS, with the No. 77 BMW M4 GT3 EVO carrying ADVAN colouring. Across the 10-round campaign, the ADVAN-shod No. 77 produced consistently strong results, earning two overall victories and two second-place finishes. The ADVAN A005 for dry conditions and ADVAN A006 for wet conditions supplied the grip and durability needed to contend in fiercely competitive races across varying weather. ADVAN-equipped cars had previously taken the NLS Speed Trophy in 2020 and 2023.

Beyond the NLS, Yokohama Rubber partnered with BMW M Motorsport at May's ADAC RAVENOL 24h Nürburgring. The No. 77 ADVAN-coloured entry placed 8th overall and 7th in the SP9 class, while BMW M Motorsport's No. 81 BMW M3 Touring 24H, also on ADVAN tyres, took 4th overall and 1st in the SP-X class.

Under its three-year (2024–2026) medium-term management plan, Yokohama Transformation 2026 (YX2026), the company's consumer tyre strategy seeks to maximise sales ratios of high-value-added tyres by expanding the ADVAN and GEOLANDAR brands, winter tyres and 18-inch and larger products. Yokohama Rubber views motorsport participation as vital to strengthening ADVAN and GEOLANDAR, and continues to compete in a wide range of events worldwide, from top-category to grassroots racing.

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Prinx Chengshan presented its Chengshan brand at the 140th China Import and Export Fair, which opened in Guangzhou on 15 October. The Canton Fair, known as China's leading trade event, has a history of nearly seven decades and functions as an indicator of the country's foreign trade while offering Chinese brands a platform to demonstrate innovation and meet international buyers.

At the fair, the company highlighted products including the ET16 wide-body dump truck tyre, whose wide and deep transverse tread grooves provide strong traction for smooth starts on soft, uneven mining terrain and help lower risks such as wheel slip and vehicles becoming stuck. The ELD12 loader tyre was also featured for its wear resistance and load-bearing capacity across demanding conditions, with resistance to excessive deformation under heavy loads supporting stable and safe equipment operation.

The participation coincides with Chengshan Group's 50th anniversary and Prinx Chengshan's accelerating global expansion. Founded in Rongcheng, Shandong Province, in 1976, the company now operates three production bases, two R&D centres, three sales centres and four technical centres worldwide. On 9 October, its Malaysia plant produced its first tyre less than 11 months after construction began, marking progress in overseas production and supply chain resilience.

Prinx Chengshan has also increased investment in the off-the-road tyre segment, operating a green and smart OTR tyre factory in Shandong and achieving mass production of giant tyres in sizes including 27.00R49, 30.00R51 and 33.00R51, while rolling out its first 57-inch giant tyre, size 46/90R57. Its OTR products serve mining, construction, ports, airports, agriculture and industrial operations, offering system solutions for global agricultural mechanisation, engineering projects and resource development.

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