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Fuel log graph
Efficiency log for: City - 2004 Honda City iDSI EXi
  • Lifetime Fuel Economy: 47.6 mpg (US), 4.9 L/100 km, 57.2 mpg (Imp)
  • 90-day Fuel Economy: 47.5 mpg (US), 5 L/100 km, 57 mpg (Imp)
  • 3-tank Fuel Economy: 46.7 mpg (US), 5 L/100 km, 56.1 mpg (Imp)
  • EPA Combined Rating / % over rating: 32 mpg (US) / 48.3% (based on 90-day fuel economy)
  • Total fills: 13
  • Average cost per gal/L: $3.76 per gal (US); $0.00 per L (price data entered for 10 fill/s)
  • Average cost per fill: $34.52
  • Average distance cost: $0.08 per mi. / $0.05 per km
  • Total fuel used: 115.62 gal (US), 437.7 L
  • Total distance traveled: 5504.2 mi. / 8858.2 km
  • Total cost: $345.23
  • Total fuel saved vs. EPA: 56.4 gal. (US) / 213.5 L
  • Total saved: $212.06 (based on avg. cost per gal./L)
  • Average tank distance: 423.4 mi. / 681.4 km
Fill date Distance Fill amount Price Fuel Economy Details
2010-05-09 298 mi
479.58 km
6.755 gal (US)
5.62 gal (Imp)
25.57 L
227.64 kWh
($27.07 total for this fill)
44.12 mpg (US)
53.02 mpg (Imp)
5.33 L/100 km
2.27 gal (US)/100 mi
763.89 Wh/mi
Short tank to fill up before a 300 mile journey. AC use is killing FE, but not all that bad. Was forced to keep pace with the traffic on the highway. This tank is filled at a random filling station, so the next will be in trouble most likely.
2010-04-25 480.1 mi
772.65 km
9.465 gal (US)
7.88 gal (Imp)
35.83 L
318.97 kWh
($38.78 total for this fill)
50.72 mpg (US)
60.93 mpg (Imp)
4.64 L/100 km
1.97 gal (US)/100 mi
664.38 Wh/mi
Using Hang Time more than P&G because need AC more and more, as heat sears us in the car.

MPGuino coming useful for most part.
2010-04-03 521.8 mi
839.76 km
11.6 gal (US)
9.66 gal (Imp)
43.91 L
390.92 kWh
($47.04 total for this fill)
44.98 mpg (US)
54.02 mpg (Imp)
5.23 L/100 km
2.22 gal (US)/100 mi
749.18 Wh/mi
Intermittant AC use. Wife used the vehicle for 60 miles, with terrible FE figures (barely half of what I manage).

MPGuino is calibrated now. Beautiful feedback medium. Love you dcb, for this baby.
2010-03-07 358.5 mi
576.95 km
7.117 gal (US)
5.93 gal (Imp)
26.94 L
239.84 kWh
($37.86 total for this fill)
50.37 mpg (US)
60.46 mpg (Imp)
4.67 L/100 km
1.99 gal (US)/100 mi
669.01 Wh/mi
Long constant speed stretches of 150 miles x 2. Used MPGuino (newly installed) to keep a light right foot. sparing use of P&G, mainly cruising. P&G is a pain in traffic on Highways. No spare, tyres at 50 PSI. MPGuino does make a difference.
2009-06-27 429.1 mi
690.57 km
9.764 gal (US)
8.13 gal (Imp)
36.96 L
329.05 kWh
($33.49 total for this fill)
43.95 mpg (US)
52.78 mpg (Imp)
5.35 L/100 km
2.28 gal (US)/100 mi
766.84 Wh/mi
Keeping revs under limit after Pale's advise, but HAVE to keep AC ON because of the sweltering heat. These days not even trying to scrimp on AC use, and so EOC coasting has given way to E on C. Also there is some low attention to tire pressure, and I think the front driver side tire patch is leaking due to excessive heat. ... bad times for an Indian hypermiler...
2009-05-29 354.7 mi
570.83 km
8.02 gal (US)
6.68 gal (Imp)
30.36 L
270.27 kWh
44.23 mpg (US)
53.1 mpg (Imp)
5.32 L/100 km
2.26 gal (US)/100 mi
761.97 Wh/mi
Long (by my standards) drive. Practiced P&G for the first half of the drive, with mixed results about FE - I had to keep the AC on for avoiding wife shouting at me.

When returning , a long stretch was with no P&G and constant high speed of ~60mph , which did no good to FE.

Also included are 2 hrs. of rush hour crawling in metro traffic, with AC kept ON to avoid getting steamed alive (could be the biggest contributor to the FE debacle here)
2009-05-28 265.9 mi
427.92 km
5.03 gal (US)
4.19 gal (Imp)
19.04 L
169.51 kWh
52.86 mpg (US)
63.46 mpg (Imp)
4.45 L/100 km
1.89 gal (US)/100 mi
637.5 Wh/mi
Short tank before filling up for long drive. Contains results of Pale's advice correcting my interpretations about SVOboy's jackrabbit pulses. Obviously it helped.
2009-05-17 455.1 mi
732.41 km
9.906 gal (US)
8.25 gal (Imp)
37.5 L
333.83 kWh
($33.1 total for this fill)
45.94 mpg (US)
55.16 mpg (Imp)
5.12 L/100 km
2.18 gal (US)/100 mi
733.53 Wh/mi
Quite frequent AC use. Wife using Car to learn P&G - Bittersweet feelings indeed! )

Still want to install the MPGuino, but no electrician helping me in this. Kinda stuff to be ashamed of for an ecomodder, but that's how it is...
2009-04-26 447.1 mi
719.54 km
9.457 gal (US)
7.87 gal (Imp)
35.8 L
318.7 kWh
($31.26 total for this fill)
47.28 mpg (US)
56.81 mpg (Imp)
4.98 L/100 km
2.12 gal (US)/100 mi
712.82 Wh/mi
Summer now a factor working against me. AC use is now approx 100 miles of 447 driven. (Thankfully discounted by EOC coasting)

Got stuck in a horrible 2 hr. jam and had to haul boot full of load + 4 passengers for ~100 miles

Overall not bad for the FE. There's always the next tank to pin your hopes on :-|
2009-04-05 475 mi
764.44 km
9 gal (US)
7.49 gal (Imp)
34.07 L
303.3 kWh
($28.67 total for this fill)
52.78 mpg (US)
63.42 mpg (Imp)
4.46 L/100 km
1.89 gal (US)/100 mi
638.53 Wh/mi
First tank after Servicing car + oil change, mineral, of unknown grade (Authorized service station, not obliged to spell what they use, or it is french fries oil ) Aggressive EOC coasting probably getting the goat of my battery - the fuel meter is cheating me, glowing reserve LED earlier than my tank capacity, 9.25 gal before hitting reserve.

Used jackrabbit pulses, shifting @ torque peak (fortunately at 2700 RPM in my City's case). Following the shift points in the car owner's manual literally, works like charm!

Used normal 87 octane gas.
Tires @ 50 PSI, as usual.
Mixed Highway : city @ 3:5 ratio, roughly.
AC use: intermittent, a couple of times (getting hot here, 93 deg already today). Otherwise making do with windows cracked 1-1.5" for cross-ventilation.

MPGuino still sitting in the glove compartment, waiting to get its rightful place on the dashboard.
2009-03-14 537.5 mi
865.02 km
9.486 gal (US)
7.9 gal (Imp)
35.91 L
319.68 kWh
($30.22 total for this fill)
56.66 mpg (US)
68.04 mpg (Imp)
4.15 L/100 km
1.76 gal (US)/100 mi
594.75 Wh/mi
Started using both mirrors - felt blinded when driving with folded mirror on passenger side. AC off all the time with only 1 exception.

Main difference I made was to have jackrabbit pulses, restricting myself to one gear change in between, if at all. Used normal 87 octane gas. None the worse for it!

Proof: adjusting the nut behind the wheel yields maximum improvement!
2009-01-31 489 mi
786.97 km
10.72 gal (US)
8.93 gal (Imp)
40.58 L
361.26 kWh
45.62 mpg (US)
54.76 mpg (Imp)
5.16 L/100 km
2.19 gal (US)/100 mi
738.77 Wh/mi
Lots of engine off coasting
2009-01-04 392.4 mi
631.51 km
9.3 gal (US)
7.74 gal (Imp)
35.2 L
313.41 kWh
($37.74 total for this fill)
42.19 mpg (US)
50.7 mpg (Imp)
5.57 L/100 km
2.37 gal (US)/100 mi
798.7 Wh/mi
93 Octane fuel, no additives yet (getting tempted to try out acetone 1 oz / gal), Mixed city / highway driving. Used aggressive FAS, but lost a few miles to ignorance about odometer not working when coasting in ignition OFF condition. No mods yet except chucked off the spare tire and folded passenger side rear view mirror.

View: spreadsheet friendly fuel log output (for copy/paste)

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