If all car tyres were filled with CO2, would this cut atmospheric carbon significantly?
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- Chris Coldwell of Lancaster asks whether filling every vehicle tyre with CO2 would lock up enough carbon to significantly reduce atmospheric levels
- The question anticipates a counter-argument about the carbon cost of compressing and trapping CO2 into tyres
- The Guardian invites readers to post answers below or email nq@theguardian.com, with a selection of responses to be published the following Sunday
Why it matters: The question treats the global car-tyre fleet as a candidate carbon sink and invites expert answers to test whether mass-scale containment could meaningfully offset emissions — with the asker already flagging compression energy costs as the obvious rebuttal.
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