Midlevel newer vs higher level older
Probably a question many people have to answer. Just getting opinions. Perhaps an example will help: '11 Tiffin Phaeton 40 vs '07American Eagle 40/Fleetwood Revolution 40 Tiffin uses the Freightli...
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Actually it was Cummins that used credits from the their smaller engines with a different polution standard to sell there non-conforming larger diesel engines. Cat did not have any small engines to use credits from so they actually met the requirements with the assert technology but that technology gave a lot of trouble and decrease the MPG.
