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Can air really improve battery life?

We project about 160 million electric vehicles on the road in 2040. First of its kind testing has shown that a simple factor could be robbing them of performance: air! Electric vehicles suffer four times more effect from rolling resistance than ICE vehicles, and that means that a small decrease in tire inflation could lower battery range by 3-7% and cause tire life to be 16% shorter. In electric vehicles, air retention matters.

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FAQ

Does tire inflation affect the battery range of electric cars?

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The impact of air loss

Tire air retention is important in all vehicles, but is especially so in electric vehicles. EVs experience more than four times greater effect from rolling resistance – this can compromise tire life and reduce EV battery range.

* Data sources www.fueleconomy.gov “Where the Energy Goes”; ExxonMobil estimates

* Depending on air loss rate and maintenance. Data source: ExxonMobil Chemical

EV tire air loss impact study

In a first-of-its-kind study, ExxonMobil engineers conducted real-world road tests to measure the impact of air loss in electric vehicles (EVs) – specifically, the impact on energy consumption and vehicle range.

Watch the video to find out how the tests were conducted and to see the revealing data the tests produced.

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A new generation of tires

Increasing mobility around the world means greater demand for tire performance for today’s and tomorrow’s vehicles. Find out how halobutyl innerliners can help OEMs and tire manufacturers meet the growing challenges for internal combustion engine (ICE) and electric vehicles.

Watch the video to learn more

More information on halobutyl rubber, including product data sheets and gradeslates, and other innovative ExxonMobil Chemical automotive solutions.

Groundbreaking airloss solution

Introducing next-generation Exxpro™3563 – the world’s most advanced material for innerliners.
Learn about Exxpro 3563
Why air retention matters

Tires with halobutyl innerliners maintain proper tire pressure, and bring better performance.
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Butyl rubber

From innertubes to curing bladders, butyl properties are valued across a range of rubber products.
Learn more