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A comment on Decades of diesel use in Europe have created a public health crisis. Parent comment

Re:Decades of diesel use in Europe have created a public hea... by coredog64 on Wednesday October 09, 2019 @07:44AM (#21202215)
Petrol emissions are a trade off. Reducing cold start emissions requires a catalytic converter, but they melt if you run too lean. So vehicles actually run richer than required (or efficient) to shrink those first 5 minutes of emissions.

:roll eyes:

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Re:Decades of diesel use in Europe have created a public hea... by rini17 on Wednesday October 09, 2019 @09:04AM (#21202763)
Most european car rides are perhaps under 15 minutes, so...
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