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California98Civic · 08-10-2013, 10:04 PM

Second tank, in combined freeway/secondary road conditions using E10 gas (lower energy density), two hours of stop-n-go traffic, and a rain storm: 498mi/15.107 gal = 32.96mpg. The gauge on-board said 35.4mpg

[EDIT: if E10 gasoline has 97.6% of the energy density of regular gasoline, then maybe I would have had slightly higher MPG, maybe 33.75?]

08-10-2013, 10:04 PM	#15 (permalink)
California98Civic Cyborg ECU Join Date: Mar 2011 Location: Coastal Southern California Posts: 6,299 Black and Green - '98 Honda Civic DX Coupe Team Honda 90 day: 66.42 mpg (US) Black and Red - '00 Nashbar Custom built eBike 90 day: 3671.43 mpg (US) Thanks: 2,373 Thanked 2,174 Times in 1,470 Posts	Second tank, in combined freeway/secondary road conditions using E10 gas (lower energy density), two hours of stop-n-go traffic, and a rain storm: 498mi/15.107 gal = 32.96mpg. The gauge on-board said 35.4mpg [EDIT: if E10 gasoline has 97.6% of the energy density of regular gasoline, then maybe I would have had slightly higher MPG, maybe 33.75?] __________________ See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread. Last edited by California98Civic; 08-11-2013 at 08:09 AM..