Cats reduce pollutants that contribute to smog that directly harm human health. But they do nothing to reduce the net carbon released into the atmosphere. In fact, by converting carbon monoxide to carbon dioxide they are hastening climate change (CO2 is a more potent greenhouse gas than CO).
Tail-pipe emissions are not a problem anymore, thanks to obd2, cats, efi and egr
Cats reduce pollutants that contribute to smog that directly harm human health. But they do nothing to reduce the net carbon released into the atmosphere. In fact, by converting carbon monoxide to carbon dioxide they are hastening climate change (CO2 is a more potent greenhouse gas than CO).
And the latest in cheat devices
Let me introduce you to carbon dioxide