Is inflating your tyres with nitrogen a good solution?
Most tyre dealerships and fitters now offer nitrogen inflation of tyres. What's the point? Less loss of pressure. To be recommended for those who tend to forget to check their tyre pressure.
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Nitrogen is an inert and stable gas, present in the air at a proportion of 78%. It is especially effective for tyre inflation. For two reasons:
- The large size of nitrogen molecules limits gas losses due to the natural porosity of the tyre. Nitrogen escapes from the tyre on average three times slower than oxygen.
- By replacing oxygen with nitrogen, the appearance of water vapour is prevented, which increases the wear life of the rubber.
This explains why nitrogen has been used for a long time to inflate tyres in aviation and car racing and for heavy goods vehicles.
Most tyre dealerships and fitters now offer this service for a price of about 3 Euros per tyre.
The advantages of regularly checking the pressure of nitrogen-inflated tyres
- Reduced risk of blow-out due to over-heating of an underinflated tyre;
- Better handling of the car and enhanced driving comfort;
- Better grip of the tyres on the ground.
- Optimised rolling resistance, hence fuel savings;
- Higher mileage, hence increased lifespan of the tyres.
- Reduced energy consumption, hence reduced greenhouse gas emissions.
- Longer lasting tyres, hence reduced volume of waste to be treated.
If necessary, you can re-inflate a nitrogen-inflated tyre with air.
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