Quote:
Originally Posted by redpoint5
Thank you for the clarification.
As an aside, I hardly care what the emissions are on big rigs. 85% of their miles (you'll correct my wild guess) is out in the middle of nowhere. If they can get 5% better fuel economy at the expense of particulate emissions, seems like a good tradeoff to me.
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That is a common misconception. Only 13% of trips are long haul (over 500 miles) The vast majority - 77% - are short haul (under 200 miles) That is for Class 7 and 8.