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Fuel log graph
Efficiency log for: VTEC Express - 1996 Honda Civic CX
  • Lifetime Fuel Economy: 53.39
  • 90-day Fuel Economy: 57.72
  • 3-tank Fuel Economy: 57.72
  • EPA Rating (% over): 31 (86.1936%)
  • Total fills: 9
  • Average cost per gallon: $3.99
  • Average cost per fill: $35.82
  • Average cost per mile: $0.07Total gallons used: 78.24
  • Total miles traveled: 4177.7
  • Total cost: $312.19
  • Total saved: 56.52 gallons
  • Total saved: $225.51
  • Average tank distance: 464.19
Fill date Distance Fill amount Price MPG Details
2008-09-07 497.2 mi. 8.537 US gal $3.699 58.24 US
2008-08-19 541.1 mi. 8.859 US gal $3.939 61.08 US 55 psi
Trip to San Diego, CA and Torrance, CA at 15% tps
EOC P&G at every opportunity regardless of engine temp
2008-07-25 515.6 mi. 9.525 US gal $4.249 54.13 US
2008-05-27 511.9 mi. 9.017 US gal $4.029 56.77 US 05/08/2008 - Filled at an unfamiliar (76) station, for better or worse the pump had a 'may contain up to 10% Ethanol' sticker. I noticed it only after filling. :X

First 15 miles traveled on tank had full interior and tire pressure at ~53 psi.

05/09/2008 - Took a mandatory trip to the Norton Simon museum in Pasadena, CA. Interior was stripped prior to departure and tire pressure was refilled to 60 psi. Traveling there I tried to maintain 50-55 mph at 14% TPS. Interior fan was on (level 1) for ~1/3 of the trip.

The return trip I was stuck in traffic so was doing a lot of stuff under 35, tried to utilize the fuel cut through engine braking. When traffic cleared I was trying to maintain the same speed as before but had to use 17% TPS due to inclines.

Map so far

Remainder of tank consisted of school commute to Menifee and San Jacinto with 30% TPS pulses to 55 mph and EOC glides down to 27 MPH before starting over.

Plan to use the next few tanks to determine the optimum TPS.
2008-05-08 462.8 mi. 9.273 US gal 49.91 US Evening trip to San Diego (55 mph)
2 weeks of school commuting.
Interior was reinstalled for this tank.
Tire pressure was ~53 psi.
2008-04-26 309.4 mi. 6.195 US gal 49.94 US Trip to Long Beach, CA to pick up the Motobecane and back home. A week's worth of school commuting.

Map so far
2008-04-17 437.1 mi. 8.062 US gal 54.22 US This tank included the trip home from Las Vegas, NV driving 60-65mph, no Pulse and Glide but with a few instances of EOC.
As well as one week's worth of school commuting, 35-55 Pulse and Glide with EOC.

Tank map.

Chevron 87
2008-04-13 433 mi. 9.603 US gal 45.09 US This tank included one week's worth of school trips and a trip to Las Vegas, NV.

New additions to driving technique:
+Increased tire pressure to 60psi
+Pulsing and gliding on the freeway (70 to 55), utilizing engine off coasting on the down stroke.
2008-04-05 469.6 mi. 9.173 US gal 51.19 US Majority city driving to and from school, with one highway trip to Fallbrook, CA and another to Carmel Mountain, San Diego, CA.

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