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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Hankook Tire has completed a significant expansion of its European manufacturing facility in Rácalmás, Hungary, marking the company's first production of truck and bus tyres on the continent. The new line, representing an investment of EUR 540 million, is scheduled to commence operations in October and has been configured to deliver more than 800,000 units annually. The first pre-production tyre from these facilities was officially unveiled at the ongoing IAA Transportation exhibition.

Previously, Hankook supplied European commercial vehicle customers exclusively from plants in Korea and China. The Hungarian line substantially reduces delivery distances, strengthening supply reliability and cutting lead times. Logistics-related carbon dioxide emissions also decline as lengthy transport routes from Asia are partially eliminated. Europe represents roughly 45 percent of Hankook's worldwide sales, making it a critical market for the tyre maker.

The Rácalmás site has received approximately EUR 856 million across three earlier expansion phases since 2007, with the third stage finishing in spring 2015. It now produces as many as 17 million tyres yearly for passenger cars, SUVs and light commercial vehicles. The fourth phase added the truck and bus tyre line and has seen around 66,000 square metres of production and support buildings constructed since 2024. More than 450 local jobs are being created. Globally, Hankook operates eight plants with capacity for up to 100 million tyres annually and employs about 20,000 people.

Designed as a highly automated facility, the new line relies on automated logistics systems, autonomous guided vehicles and real-time tracking to manage material flow and warehousing, while automated testing ensures consistent quality. Sustainability guided planning and operation through energy-efficient systems, optimised supply infrastructure and modern process controls that lower energy and water use. The plant earned ISCC PLUS certification in 2023. Production will initially centre on 22.5-inch truck and bus tyres, gradually broadening as capacity and approvals allow.

Jongho Park, President and COO, Hankook Tire Europe, said, “The expansion of our European production plant with a new line for truck and bus tyres is yet another key milestone for Hankook in Europe. The central location of the facilities in Hungary and their proximity to the core European markets is a key locational advantage. It will enable us to supply our European customers with premium commercial vehicle tyres even more reliably and quickly, and to respond to their needs with the greatest possible flexibility.”

Ho Taek Lim, Vice President and Managing Director of the plant in Rácalmás, said, “This expansion project was one of the largest industrial development projects ever undertaken at the site in Hungary. The new truck and bus tyre production facilities will transform the plant into a comprehensive production site of significantly greater complexity and with a higher level of automation.”

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Continental has expanded its global ultra-high-performance tyre portfolio, covering sizes 18 inches and above, over five years and plans further growth. By late 2027, it will add over 650 new sizes across all lines for original equipment and replacement markets. This responds to demand for tyres suited to larger, heavier, more powerful and electrified vehicles, supporting profitable growth.

UHP tyres for passenger cars and light commercial vehicles now matter more to Continental and its customers. From 2020 to 2025, their share of global passenger-car tyre sales across all brands rose from 41 to 55 percent. Asia-Pacific leads at 70 percent, the Americas at 66 percent and EMEA at 43 percent. For the Continental brand, the share grew from about 49 to 62 percent.

The trend towards larger tyres links to vehicle market shifts. Cars are becoming bigger, heavier and more powerful, with SUVs increasingly common. Electric mobility is another weight driver, since batteries add considerable mass. Modern drivetrains also produce torque once associated only with high-performance sports cars. These changes demand more from tyres, which must support heavier loads while ensuring safety, efficiency and comfort.

UHP tyres combine high grip, short braking distances and precise handling with low rolling resistance and high mileage. Continental develops them mainly for wheel-and-tyre combinations of 18 inches and above, performance SUVs, premium sedans, sports cars and high-performance electric vehicles. It is expanding this range across major markets, adding over 650 sizes by the end of 2027, including secondary brands such as Semperit and Uniroyal.

This reflects growing vehicle market diversification, as manufacturers offer more variants and need tyres tailored to differing performance, efficiency and comfort requirements. UHP tyres must meet conflicting demands, balancing grip, braking, handling, rolling resistance, comfort and mileage, with rubber compounds playing a central role. Continental relies on simulations, laboratory analyses, bench tests and driving tests across varied conditions, with the High Performance Technology Center in Korbach driving manufacturing advances applied globally, where UHP tyres up to 24 inches are made.

Testing occurs at the Contidrom near Hannover, Arvidsjaur in Sweden and Uvalde in Texas, focusing on braking, handling, high-speed capability, comfort and durability. Collaboration with tuners ABT Sportsline and BRABUS, plus motorsport input through Hoosier, further advances development. The SportContact 7 exemplifies the segment, available from 18 to 24 inches and approved by Audi, BMW, BYD, Maserati, Mercedes-Benz, Polestar, Porsche, Volkswagen and Zeekr, ranking top three in 27 of 29 international tests.

Edwin Goudswaard, head of Research and Development for Continental’s Tires group sector, said, “With our expanded UHP portfolio, we are responding directly to the increasing demands of modern vehicles. This enables us to offer our customers around the world even more tailored solutions for safety, efficiency and driving dynamics. As modern tyres become larger, heavier and more powerful, tyres are becoming even more critical. They are no longer simply the vehicle’s connection to the road, but a key prerequisite for safety, efficiency and driving dynamics. The UHP segment clearly demonstrates how capable modern tyres need to be. The art lies in combining conflicting requirements at the highest level, and that is precisely what sets our tyres apart.”

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The Yokohama Rubber Co., Ltd. has announced that a car equipped with its ADVAN flagship tyres claimed overall victory at the 2026 Nürburgring Langstrecken-Serie (NLS) Round 8 in Germany on 12 September. The ADVAN racing tyres delivered the grip and durability required to succeed in the demanding endurance event.

The winning entry was the No. 77 BMW M Motorsport car, fielded by Schubert Motorsport. It started from the front row, took the lead early and stayed with the front-runners throughout. After moving back ahead on lap 24, it resisted heavy pressure from closely pursuing rivals and crossed the line just 0.308 seconds clear of the second-place finisher.

This season marks the first collaboration between Yokohama Rubber and BMW M Motorsport in almost 40 years. The No. 77 BMW M4 GT3 EVO, featuring ADVAN’s ‘Red in Black’ livery, has been consistently competitive, winning Rounds 3 and 8 while finishing second in Rounds 6 and 7.

Following Round 9 on 13 September, the car leads the NLS Speed Trophy standings, awarded for the most points across all classes. The ‘Red in Black’ entry will seek to secure the trophy and the series title in October’s final round.

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FALKEN has launched its ‘Falken says fill up!’ promotion for 2026, marking the start of its established seasonal campaign. Running from 15 September to 30 November, buyers of four winter or all-season tyres sized 16 inches or above, excluding HGV tyres, can receive a reward worth EUR 20. The initiative operates across 14 European markets, including Germany, Italy, Poland, Switzerland and the Czech Republic, among others.

In Germany, participants may select either an Aral SuperCard or EnBW mobility+ charging credit. Beyond this immediate reward, FALKEN has partnered with ZEG to offer additional prizes. One BULLS Copperhead EVO AM 2 e-trail bike, valued at EUR 4,999 and three BULLS Machete RX 1 carbon gravel bikes, each worth EUR 1,999, will be given away.

The campaign highlights three tyres from FALKEN’s current range. The EUROALL SEASON AS220 suits drivers seeking year-round flexibility, offering reliable handling, efficiency and wet-road grip for regions with changeable weather. For winter, FALKEN recommends the EUROWINTER HS02 and HS02 PRO, both engineered for grip and stability on wet, cold and snowy roads. The HS02 delivers balanced winter performance, while the HS02 PRO targets drivers preferring precise, dynamic handling in cold conditions.

Retail partners also benefit from the promotion, which combines an instant reward, a high-value prize draw and a strong product assortment. These elements provide useful talking points for customer relations and stimulate purchasing at the outset of the winter tyre season.

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