Overall US fuel consumtion has dropped by 1% since the latest prices increases. Hasn't done that since 1997.
Crude has also dropped about $9.00 per barrel since it's record high of $110.00/ barrel.
I wish Cummins would develop a way for us to run 20% Bio. I'd do that even if it cost me more, to stick it in the ear of those who are holding us hostage.
Test on bio diesel have shown up to a 25% reduction in diesel particulates and seems perfect fo the 6.7

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7.5 3500QC 6.7CTD 68RFE Build date June 2007
Superchips tuner 3808, Boost/EGT Laser Gauge, Airaid cold intake