New 2015 Ram 1500 ECODIESEL HFE
Even more mpg out of the EcoDiesel with the "HFE" or High Fuel Efficiency model. VIDEO
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Picuptrucks.com just released their tests of the 2.7L EcoBoost vs the EcoDiesel vs the 3.5L EcoBoost vs GMs 4.3L V6, and they even threw in the 3.6L Pentastar V6.
