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.

The second season of TGL Presented by SoFi, where Hankook Tire serves as the Founding and Official Tire Partner, commenced on 28 December 2025. This innovative league, a venture of TMRW Sports with backing from icons like Tiger Woods and Rory McIlroy, represents a strategic alignment for Hankook, uniting two entities driven by technological advancement. The partnership provides a global platform to reinforce Hankook's premium brand positioning across North America and worldwide through extensive visibility during broadcasts and at the state-of-the-art SoFi Center in Florida.

This unique venue embodies the league's fusion of sport and technology, featuring a massive simulator with a dedicated ScreenZone and a dynamic GreenZone. This area, equipped with a turntable and over 600 actuators, meticulously replicates real-world golf conditions indoors, creating an immersive arena experience. The competition itself is fast-paced and engaging, with teams of PGA TOUR players competing in Triples and Singles sessions over 15 holes. Innovative elements like the point-doubling ‘Hammer’, real-time strategy via ‘Hot Mic’ and a Shot Clock ensure a dynamic spectacle for fans.

The season opener presented a compelling narrative as a rematch of the inaugural finals, pitting the undefeated Atlanta Drive GC, featuring Justin Thomas and Patrick Cantlay, against a determined New York Golf Club squad led by Matt Fitzpatrick and Xander Schauffele. This match set the tone for an intensive season running through March, where six teams and 24 top golfers will compete. For Hankook, this partnership is more than signage; it is an active engagement with a global community, delivering a distinctive brand experience that bridges cutting-edge mobility and sport for enthusiasts everywhere.

Dunlop (company name: Sumitomo Rubber Industries, Ltd.) has made its way to the annual A-List of CDP for climate change and water security. This premier designation, awarded for the first time to the company in the 2025 evaluation, recognises world-leading performance in transparency, risk management and environmental action. CDP’s annual assessment is a key benchmark for corporate sustainability across climate, water and forests.

This achievement stems from the Group’s integrated approach to material issues outlined in its corporate philosophy. It treats the interconnected challenges of climate change, biodiversity and the circular economy holistically, advancing concrete initiatives under its long-term ‘Driving Our Future’ sustainability policy.

On climate, the Group’s science-based emission reduction targets for 2030 are validated by the Science Based Targets initiative. Operational efforts include pioneering green hydrogen production at its Shirakawa Factory and developing tyres made entirely from sustainable materials by 2050. The company also works to reduce emissions across its supply chain, lowers tyre rolling resistance to improve vehicle fuel economy and extends product life through retreading.

For water security, the strategy is driven by localised risk assessments at global production sites. In seven facilities identified as high-risk, the goal is to achieve 100 percent wastewater recycling by 2050. Progress is already evident, with the company’s Thailand factory reaching full wastewater recycling in 2024.

These coordinated actions on multiple environmental fronts formed the basis for the Group’s simultaneous top-tier recognition in both critical categories from CDP.

Bridgestone Corporation has initiated a novel co-creation programme in partnership with Ethiopian Airlines and Ethiopian Airports, focused on enhancing aviation safety at Addis Ababa Bole International Airport. This marks Bridgestone’s first sustained three-way collaboration with both an airline and an airport authority, targeting the reduction of Foreign Object Debris on runways and taxiways to support safer and more reliable aircraft operations.

The project was prompted by tyre-related incidents linked to debris at the airport, which previously risked disrupting flight schedules. Leveraging its specialised system for inspecting used airline tyres and analysing debris data, Bridgestone assessed conditions at the hub and proposed a tailored action plan. The company provided continuous support by analysing debris distribution patterns, developing visual hazard maps, advising on efficient collection methods and conducting training to raise awareness among airport personnel.

These sustained efforts have yielded significant results, substantially lowering the rate of tyre damage caused by runway debris compared to levels before the collaboration began. This reduction has supported improved on-time performance for Ethiopian Airlines while advancing overall operational safety. Additionally, the initiative has encouraged greater use of retreaded tyres, promoting economic efficiency and environmental sustainability within the airline’s operations.

Looking ahead, Bridgestone and Ethiopian Airlines Group plan to deepen their co-creation efforts, aiming to generate further value for the aviation sector and broader society through continued innovation and partnership.

Retta Melaku, Chief Operating Officer, Ethiopian Airlines, said, "At Ethiopian Airlines, the safety of our passengers, employees and aircraft is a priority. We are pleased to collaborate with Bridgestone to further strengthen our efforts in reducing FOD at Addis Ababa Bole International Airport and ensure safe operations at the hub airport."

Getaneh Adera, Managing Director, Ethiopian Airports, said, "We remain fully committed to upholding the highest safety standards at Bole International Airport at all times. This significant achievement in reducing FOD is the result of our strong commitment for safe operations and close collaboration with Bridgestone. Through our co-creation activities, we are pleased to have realised safer operations with enhanced productivity and economic value."

Jean-Philippe Minet, Managing Director, Bridgestone Aircraft Tire (Europe) S.A., said, "By combining the learnings and insights from Ethiopian Airlines' operational issues with our analysis technology and know-how, we have deepened our co-creation to propose customised solutions. We are delighted to contribute to safe aircraft operations with peace of mind and to improved operational productivity through the co-creation of efficient FOD reduction on airport surfaces. Through further expansion and evolution of this solution, we will amplify the value of our ‘Dan-Totsu Products’, trust with our customers and value of the data for creating new value."

Following a wave of international acclaim, Pirelli's Cyber Tyre technology continues to redefine automotive safety and connectivity, earning a trio of prestigious awards that underscore its transformative impact. The recognition began in France, where a panel of 20 industry experts at the Automobile Awards honoured the Cyber Tyre with the Safety Award for its ability to enhance vehicle security. This intelligent system employs integrated sensors that communicate with a car’s electronic control unit, delivering real-time road data. This allows vehicle stability systems to react more precisely, improving braking and handling, while also sharing critical information with road infrastructure and other connected vehicles to proactively alert of hazards.

Further acclaim came from Autobest, a European automotive jury representing 32 countries, which granted its SafetyBest 2026 award. This honour celebrates the pioneering development of the Cyber Tyre, a technology deemed of exceptional significance for raising road safety standards following rigorous evaluation. Simultaneously, the global market analysis firm Frost & Sullivan named Pirelli the 2025 Company of the Year in the smart automotive tyre sector. This award highlights Pirelli’s foresight in anticipating industry trends and bringing groundbreaking innovations to market that generate substantial value.

The culmination of two decades of development, Cyber Tyre technology is now moving from concept to real-world application through key automotive partnerships. Following its 2021 debut on the McLaren Artura, the system has been adopted by Audi for a special track model and is fully integrated into the electronics of the Pagani Utopia Roadster. A recently announced agreement with Aston Martin will see the technology featured on future models, with development also expanding into the premium volume market. These implementations are supported by a strategic collaboration with Bosch, ensuring seamless integration with essential vehicle systems like ESP and ABS.

Fundamentally, the Pirelli Cyber Tyre is an integrated hardware and software platform. It collects vital data on tyre pressure, temperature and dynamics, processes this information via proprietary algorithms and communicates instantly with a vehicle’s driver-assistance and stability controls. This elevates safety, efficiency and comfort. Its influence extends beyond the vehicle itself, contributing to smarter infrastructure. A pilot project in Italy’s Apulia region, for example, combines tyre sensor data with camera imagery to create dynamic road maps that monitor pavement conditions and aid maintenance planning. Through Vehicle-to-Everything connectivity, the Cyber Tyre is paving the way for smarter roads and cities, marking a decisive step towards future mobility by transforming the traditional tyre into a connected, intelligent component.

Andrea Casaluci, CEO, Pirelli, said, “These new recognitions confirm that the role of the tyre has changed. For over a century, the technologies inside it have been evolving, but its function has remained the same: conveying forces to the ground to ensure vehicle control. Today, the tyre continues to evolve, and to its primary purpose a new one has been added: thanks to Pirelli Cyber™ Tyre, it has begun to collect and transmit data, processed through algorithms developed by Pirelli. These enable new functionalities, both within vehicle electronics and in relation to road infrastructure, with development potential that looks towards smart cities and autonomous driving. Digitalisation and connectivity are essential pillars for designing future mobility, and our technology – the first of its kind in the tyre world – has embraced them, as confirmed by these awards and by our collaborations with leading car manufacturers.”