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Old 04-28-2017, 11:50 PM   #1 (permalink)
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EPA paper on medium duty and heavy duty trucks.


Lots of amazing stuff in here including how a 2011 6.7 Ram cummins runs the EPA cycles with 50% payload added (page 106) then they go on to adjust many variables.

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Old 04-29-2017, 04:16 AM   #2 (permalink)
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I love the graph that shows that a 50% decrease in fuel consumption leads to a 100% increase in fuel economy. Who would have thought?

... but from page 67 onwards it gets very noteworthy, describing the measured effect of several fuel saving technologies.

2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
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