60 LR One Question 16
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Permalink Submitted by heart0422 on Jan 26 2016
Dave - to understand this question correctly, he spoke about the plant polluting 4%, and older cars polluting 30%. However, he never stated what amount of pollution came from new cars. This was why I chose D. Plant vs Old Cars - What about Old Cars vs New Cars. We don't know, right? Am I over-analyzing?

Permalink Submitted by majorgeneraldave on Jan 27 2016
But we don't care about new cars—nobody's proposing that we buy new cars, so they don't enter the equation at all.