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The Rainmaker

09/21/11 11:27 PM

#12027 RE: fly_fisherman #12026

Come 2013 they have to be done and ready to meet the new standards right away, no slow phase in over years. But while tractor-engine standards were implemented in three phases over a seven-year period, the new standards for TRU engines require the bulk of the emissions reductions all at once, which creates various challenges for engine manufacturers and fleet operators.