Quote:
Originally Posted by Wall$treet
There is no regulation on a charcoal filter-heck some bmw's dont even have them but especially in europe it is just an extra way to cut down CO2 measured emissions that much more so they can advertise lower co2 numbers
Not everything is done due to regulations since a lot is advertising and sales being able to say your CO2 level is below XYZ.
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I think we are discussing the implications on state emissions tests, not actual emissions from all sources.