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Fuel log graph
Efficiency log for: Tadpole - 1989 Honda CRX HF
  • Lifetime Fuel Economy: 60.2 mpg (US), 3.9 L/100 km, 72.3 mpg (Imp)
  • 90-day Fuel Economy: 60.3 mpg (US), 3.9 L/100 km, 72.5 mpg (Imp)
  • 3-tank Fuel Economy: 68.1 mpg (US), 3.5 L/100 km, 81.7 mpg (Imp)
  • EPA Combined Rating / % over rating: 0 mpg (US) / 0% (based on 90-day fuel economy)
  • Total fills: 60
  • Average cost per gal/L: $2.81 per gal (US); $0.00 per L (price data entered for 25 fill/s)
  • Average cost per fill: $20.91
  • Average distance cost: $0.05 per mi. / $0.03 per km
  • Total fuel used: 511.09 gal (US), 1934.7 L
  • Total distance traveled: 30789 mi. / 49550.1 km
  • Total cost: $522.86
  • Average tank distance: 513.2 mi. / 825.8 km
Fill date Distance Fill amount Price Fuel Economy Details
2013-03-11 595 mi
957.56 km
9.863 gal (US)
8.21 gal (Imp)
37.34 L
332.38 kWh
$3.549
($35 total for this fill)
60.33 mpg (US)
72.47 mpg (Imp)
3.9 L/100 km
1.66 gal (US)/100 mi
558.62 Wh/mi
first time I gassed up since November
2012-11-06 1388 mi
2233.77 km
19.819 gal (US)
16.5 gal (Imp)
75.02 L
667.9 kWh
70.03 mpg (US)
84.12 mpg (Imp)
3.36 L/100 km
1.43 gal (US)/100 mi
481.2 Wh/mi
4 tank ave
2012-07-05 236 mi
379.81 km
2.92 gal (US)
2.43 gal (Imp)
11.05 L
98.4 kWh
80.82 mpg (US)
97.12 mpg (Imp)
2.91 L/100 km
1.24 gal (US)/100 mi
416.95 Wh/mi
2012-07-04 784 mi
1261.73 km
14.281 gal (US)
11.89 gal (Imp)
54.06 L
481.27 kWh
$3.465
($49.48 total for this fill)
54.9 mpg (US)
65.94 mpg (Imp)
4.28 L/100 km
1.82 gal (US)/100 mi
613.86 Wh/mi
3 tank ave return trip to Pagosa
2012-07-02 776 mi
1248.85 km
11.757 gal (US)
9.79 gal (Imp)
44.51 L
396.21 kWh
$3.65
($42.91 total for this fill)
66 mpg (US)
79.26 mpg (Imp)
3.56 L/100 km
1.52 gal (US)/100 mi
510.58 Wh/mi
3 tank ave trip to Omaha
2012-05-26 807 mi
1298.74 km
12.753 gal (US)
10.62 gal (Imp)
48.28 L
429.78 kWh
63.28 mpg (US)
75.99 mpg (Imp)
3.72 L/100 km
1.58 gal (US)/100 mi
532.57 Wh/mi
3 tank average
2012-05-11 354 mi
569.71 km
4.135 gal (US)
3.44 gal (Imp)
15.65 L
139.35 kWh
85.61 mpg (US)
102.91 mpg (Imp)
2.75 L/100 km
1.17 gal (US)/100 mi
393.64 Wh/mi
something is off, this was normal driving. will balance out next fill up
2012-04-03 979 mi
1575.55 km
18.436 gal (US)
15.35 gal (Imp)
69.79 L
621.29 kWh
53.1 mpg (US)
63.78 mpg (Imp)
4.43 L/100 km
1.88 gal (US)/100 mi
634.62 Wh/mi
3 tank ave. Fill up back in Pagosa. May not have been full.
2012-04-02 220 mi
354.06 km
6.736 gal (US)
5.61 gal (Imp)
25.5 L
227 kWh
32.66 mpg (US)
39.22 mpg (Imp)
7.2 L/100 km
3.06 gal (US)/100 mi
1031.82 Wh/mi
fill up in D.M. to begin return trip to Pagosa. Poor mileage was alot of running around in D.M.
2012-03-28 169 mi
271.98 km
2.338 gal (US)
1.95 gal (Imp)
8.85 L
78.79 kWh
72.28 mpg (US)
86.67 mpg (Imp)
3.25 L/100 km
1.38 gal (US)/100 mi
466.21 Wh/mi
fill up in Forrest City, went to check out Winnebago factory
2012-03-24 220 mi
354.06 km
3.473 gal (US)
2.89 gal (Imp)
13.15 L
117.04 kWh
63.35 mpg (US)
76.12 mpg (Imp)
3.71 L/100 km
1.58 gal (US)/100 mi
532 Wh/mi
fill up in D.M.
2012-03-22 230 mi
370.15 km
5.088 gal (US)
4.24 gal (Imp)
19.26 L
171.47 kWh
45.2 mpg (US)
54.25 mpg (Imp)
5.2 L/100 km
2.21 gal (US)/100 mi
745.52 Wh/mi
still pushing 80 mph, mileage always drops in the flat lands
2012-03-22 237 mi
381.41 km
4.737 gal (US)
3.94 gal (Imp)
17.93 L
159.64 kWh
50.03 mpg (US)
60.15 mpg (Imp)
4.7 L/100 km
2 gal (US)/100 mi
673.59 Wh/mi
pushing 80 mph on interstate
2012-03-22 211 mi
339.57 km
3.55 gal (US)
2.96 gal (Imp)
13.44 L
119.64 kWh
59.44 mpg (US)
71.28 mpg (Imp)
3.96 L/100 km
1.68 gal (US)/100 mi
567.01 Wh/mi
stayed closer to speed limit
2012-03-22 164 mi
263.93 km
3.27 gal (US)
2.72 gal (Imp)
12.38 L
110.2 kWh
50.15 mpg (US)
60.29 mpg (Imp)
4.69 L/100 km
1.99 gal (US)/100 mi
671.95 Wh/mi
beginning trip to D.M. pushing 70 mph
2012-03-03 230 mi
370.15 km
3.183 gal (US)
2.65 gal (Imp)
12.05 L
107.27 kWh
72.26 mpg (US)
86.79 mpg (Imp)
3.26 L/100 km
1.38 gal (US)/100 mi
466.39 Wh/mi
round trip to Durango, very focused attention on vacuum gauge and adjusting throttle before changes in terrain
2012-02-11 742 mi
1194.13 km
9.1 gal (US)
7.58 gal (Imp)
34.45 L
306.67 kWh
81.54 mpg (US)
97.89 mpg (Imp)
2.88 L/100 km
1.23 gal (US)/100 mi
413.3 Wh/mi
3 tank ave
2012-01-05 599 mi
964 km
9.65 gal (US)
8.04 gal (Imp)
36.53 L
325.21 kWh
62.07 mpg (US)
74.5 mpg (Imp)
3.79 L/100 km
1.61 gal (US)/100 mi
542.92 Wh/mi
3 tank ave
2011-12-29 247 mi
397.51 km
4.7 gal (US)
3.91 gal (Imp)
17.79 L
158.39 kWh
52.55 mpg (US)
63.17 mpg (Imp)
4.48 L/100 km
1.9 gal (US)/100 mi
641.26 Wh/mi
return trip from Co. Springs pushing 70 mph
2011-12-29 324 mi
521.43 km
5.6 gal (US)
4.66 gal (Imp)
21.2 L
188.72 kWh
57.86 mpg (US)
69.53 mpg (Imp)
4.07 L/100 km
1.73 gal (US)/100 mi
582.47 Wh/mi
around town use and trip to Co Springs
2011-12-23 727 mi
1169.99 km
12.336 gal (US)
10.27 gal (Imp)
46.7 L
415.72 kWh
58.93 mpg (US)
70.79 mpg (Imp)
3.99 L/100 km
1.7 gal (US)/100 mi
571.83 Wh/mi
3 tank average
2011-12-01 272 mi
437.74 km
3.37 gal (US)
2.81 gal (Imp)
12.76 L
113.57 kWh
80.71 mpg (US)
96.8 mpg (Imp)
2.91 L/100 km
1.24 gal (US)/100 mi
417.54 Wh/mi
return trip to Pagosa, kept speed around 55 mph
2011-12-01 232 mi
373.37 km
3.16 gal (US)
2.63 gal (Imp)
11.96 L
106.49 kWh
$2.799
($8.84 total for this fill)
73.42 mpg (US)
88.21 mpg (Imp)
3.2 L/100 km
1.36 gal (US)/100 mi
459.01 Wh/mi
one way trip to Albuquerque
2011-11-28 231 mi
371.76 km
4 gal (US)
3.33 gal (Imp)
15.14 L
134.8 kWh
57.75 mpg (US)
69.37 mpg (Imp)
4.07 L/100 km
1.73 gal (US)/100 mi
583.55 Wh/mi
2011-11-06 1088 mi
1750.97 km
21.415 gal (US)
17.83 gal (Imp)
81.06 L
721.69 kWh
50.81 mpg (US)
61.02 mpg (Imp)
4.63 L/100 km
1.97 gal (US)/100 mi
663.32 Wh/mi
Return trip from Iowa, 6 tank average. Brain dead driving like most people. Getting EPA average. Everyday People Average???
2011-10-23 1770 mi
2848.54 km
33.48 gal (US)
27.88 gal (Imp)
126.74 L
1128.28 kWh
52.87 mpg (US)
63.49 mpg (Imp)
4.45 L/100 km
1.89 gal (US)/100 mi
637.45 Wh/mi
Trip to Iowa, 6 tank average. More driving 70-75 mph.
2011-05-27 1194 mi
1921.56 km
20.155 gal (US)
16.78 gal (Imp)
76.29 L
679.22 kWh
59.24 mpg (US)
71.16 mpg (Imp)
3.97 L/100 km
1.69 gal (US)/100 mi
568.86 Wh/mi
3 tank average
2011-04-05 1287 mi
2071.23 km
21.05 gal (US)
17.53 gal (Imp)
79.68 L
709.39 kWh
61.14 mpg (US)
73.42 mpg (Imp)
3.85 L/100 km
1.64 gal (US)/100 mi
551.2 Wh/mi
This is a 4 tank average.
2011-01-11 1442 mi
2320.67 km
24.06 gal (US)
20.03 gal (Imp)
91.08 L
810.82 kWh
59.93 mpg (US)
71.99 mpg (Imp)
3.92 L/100 km
1.67 gal (US)/100 mi
562.29 Wh/mi
Phoenix trip, more 65- 70 mph. Deliberately got close to trucks and new nose cut thru bow wave like it was not there. Current aero mods are very effective in all wind conditions and car sticks to road at high speeds.
2010-12-27 111 mi
178.64 km
1.454 gal (US)
1.21 gal (Imp)
5.5 L
49 kWh
76.34 mpg (US)
91.74 mpg (Imp)
3.08 L/100 km
1.31 gal (US)/100 mi
441.44 Wh/mi
Installed new nose piece and rear diffuser. Took trip to Durango very focused on reading terrain and slight throttle adjustments. Kept it closer to 55 mph. Best Durango round trip mpg.
2010-12-27 228 mi
366.93 km
3.397 gal (US)
2.83 gal (Imp)
12.86 L
114.48 kWh
67.12 mpg (US)
80.57 mpg (Imp)
3.5 L/100 km
1.49 gal (US)/100 mi
502.11 Wh/mi
Return from ALB. driving conservative.
2010-12-15 387 mi
622.82 km
6.79 gal (US)
5.65 gal (Imp)
25.7 L
228.82 kWh
$2.76
($18.74 total for this fill)
57 mpg (US)
68.5 mpg (Imp)
4.13 L/100 km
1.75 gal (US)/100 mi
591.27 Wh/mi
Alb. trip 70- 80 mph, no noticable difference without boat tail.
2010-11-25 460 mi
740.3 km
6.79 gal (US)
5.65 gal (Imp)
25.7 L
228.82 kWh
$2.82
($19.15 total for this fill)
67.75 mpg (US)
81.42 mpg (Imp)
3.47 L/100 km
1.48 gal (US)/100 mi
497.43 Wh/mi
Removed boat tail and starting to learn to read terrain and adjust throttle before inclines.
2010-11-20 286 mi
460.27 km
5.395 gal (US)
4.49 gal (Imp)
20.42 L
181.81 kWh
$2.819
($15.21 total for this fill)
53.01 mpg (US)
63.7 mpg (Imp)
4.44 L/100 km
1.89 gal (US)/100 mi
635.7 Wh/mi
more in town driving and 65 mph on highway.
2010-10-17 483 mi
777.31 km
7.52 gal (US)
6.26 gal (Imp)
28.47 L
253.42 kWh
$2.79
($20.98 total for this fill)
64.23 mpg (US)
77.16 mpg (Imp)
3.66 L/100 km
1.56 gal (US)/100 mi
524.68 Wh/mi
Another Alb. trip this time doing 65+ mph.
2010-10-16 95 mi
152.89 km
1.93 gal (US)
1.61 gal (Imp)
7.31 L
65.04 kWh
$2.79
($5.38 total for this fill)
49.22 mpg (US)
59.01 mpg (Imp)
4.78 L/100 km
2.03 gal (US)/100 mi
684.63 Wh/mi
Hot rodding around town more.
2010-09-30 461 mi
741.91 km
6.52 gal (US)
5.43 gal (Imp)
24.68 L
219.72 kWh
$2.79
($18.19 total for this fill)
70.71 mpg (US)
84.9 mpg (Imp)
3.33 L/100 km
1.41 gal (US)/100 mi
476.62 Wh/mi
Albuquerque trip kept it under 60mph. got lots of attention for slow speed and the boat tail.
2010-09-25 430 mi
692.02 km
6.68 gal (US)
5.56 gal (Imp)
25.29 L
225.12 kWh
$2.8
($18.7 total for this fill)
64.37 mpg (US)
77.34 mpg (Imp)
3.65 L/100 km
1.55 gal (US)/100 mi
523.53 Wh/mi
2010-08-19 424 mi
682.36 km
6.72 gal (US)
5.6 gal (Imp)
25.44 L
226.46 kWh
$2.85
($19.15 total for this fill)
63.1 mpg (US)
75.71 mpg (Imp)
3.73 L/100 km
1.58 gal (US)/100 mi
534.1 Wh/mi
2010-05-24 118 mi
189.9 km
1.83 gal (US)
1.52 gal (Imp)
6.93 L
61.67 kWh
$2.899
($5.31 total for this fill)
64.48 mpg (US)
77.63 mpg (Imp)
3.65 L/100 km
1.55 gal (US)/100 mi
522.63 Wh/mi
2010-05-24 193 mi
310.6 km
3.268 gal (US)
2.72 gal (Imp)
12.37 L
110.13 kWh
$2.899
($9.47 total for this fill)
59.06 mpg (US)
70.96 mpg (Imp)
3.98 L/100 km
1.69 gal (US)/100 mi
570.62 Wh/mi
2010-05-11 89 mi
143.23 km
1.73 gal (US)
1.44 gal (Imp)
6.55 L
58.3 kWh
51.45 mpg (US)
61.81 mpg (Imp)
4.57 L/100 km
1.94 gal (US)/100 mi
655.06 Wh/mi
Installed boat tail, that's where car got its nickname. I looked at cars shape and looked to nature for similar fluid shape. Design was wide and flat.
2010-05-10 211 mi
339.57 km
3.25 gal (US)
2.71 gal (Imp)
12.3 L
109.53 kWh
64.92 mpg (US)
77.86 mpg (Imp)
3.62 L/100 km
1.54 gal (US)/100 mi
519.1 Wh/mi
Still trying to figure out how to adjust throttle and watch vacuum gauge.
2010-05-10 183 mi
294.51 km
3.12 gal (US)
2.6 gal (Imp)
11.81 L
105.14 kWh
58.65 mpg (US)
70.38 mpg (Imp)
4.01 L/100 km
1.7 gal (US)/100 mi
574.54 Wh/mi
2010-04-15 264 mi
424.87 km
3.8 gal (US)
3.16 gal (Imp)
14.38 L
128.06 kWh
69.47 mpg (US)
83.54 mpg (Imp)
3.38 L/100 km
1.44 gal (US)/100 mi
485.08 Wh/mi
Tried to maintain as high as vacuum as possible
2010-04-14 241 mi
387.85 km
4.08 gal (US)
3.4 gal (Imp)
15.44 L
137.5 kWh
59.07 mpg (US)
70.88 mpg (Imp)
3.98 L/100 km
1.69 gal (US)/100 mi
570.54 Wh/mi
Installed fuel pressure, vacuum and fuel/air ratio gauges. Test run trying to figure out how to read them
2010-03-31 1882 mi
3028.79 km
32.8 gal (US)
27.31 gal (Imp)
124.16 L
1105.36 kWh
57.38 mpg (US)
68.91 mpg (Imp)
4.1 L/100 km
1.74 gal (US)/100 mi
587.33 Wh/mi
trip to southern Cali, steady headwind 30- 40 mph, tried to hold 2250 rpm
2010-03-21 380 mi
611.55 km
5.87 gal (US)
4.89 gal (Imp)
22.22 L
197.82 kWh
$2.799
($16.43 total for this fill)
64.74 mpg (US)
77.71 mpg (Imp)
3.63 L/100 km
1.54 gal (US)/100 mi
520.58 Wh/mi
back in Pagosa Springs
2010-03-17 153 mi
246.23 km
3.36 gal (US)
2.8 gal (Imp)
12.72 L
113.23 kWh
$2.799
($9.4 total for this fill)
45.54 mpg (US)
54.64 mpg (Imp)
5.17 L/100 km
2.2 gal (US)/100 mi
740.07 Wh/mi
fill up in Flagstaf at same station, mostly uphill
2010-03-17 164 mi
263.93 km
1.82 gal (US)
1.52 gal (Imp)
6.89 L
61.33 kWh
$2.739
($4.98 total for this fill)
90.11 mpg (US)
107.89 mpg (Imp)
2.61 L/100 km
1.11 gal (US)/100 mi
373.96 Wh/mi
fill up in Kingman, mostly downhill
2010-03-16 373 mi
600.29 km
6.53 gal (US)
5.44 gal (Imp)
24.72 L
220.06 kWh
$2.869
($18.73 total for this fill)
57.12 mpg (US)
68.57 mpg (Imp)
4.12 L/100 km
1.75 gal (US)/100 mi
589.97 Wh/mi
fill up in Flagstaf
2010-02-13 231 mi
371.76 km
3.826 gal (US)
3.19 gal (Imp)
14.48 L
128.94 kWh
60.38 mpg (US)
72.41 mpg (Imp)
3.89 L/100 km
1.66 gal (US)/100 mi
558.18 Wh/mi
2009-10-29 416 mi
669.49 km
7.03 gal (US)
5.85 gal (Imp)
26.61 L
236.91 kWh
$2.699
($18.97 total for this fill)
59.17 mpg (US)
71.11 mpg (Imp)
3.97 L/100 km
1.69 gal (US)/100 mi
569.5 Wh/mi
2009-10-05 500 mi
804.67 km
7.31 gal (US)
6.09 gal (Imp)
27.67 L
246.35 kWh
$2.629
($19.22 total for this fill)
68.4 mpg (US)
82.1 mpg (Imp)
3.44 L/100 km
1.46 gal (US)/100 mi
492.7 Wh/mi
2009-09-13 372 mi
598.68 km
6.06 gal (US)
5.05 gal (Imp)
22.94 L
204.22 kWh
$2.599
($15.75 total for this fill)
61.39 mpg (US)
73.66 mpg (Imp)
3.83 L/100 km
1.63 gal (US)/100 mi
548.98 Wh/mi
2009-08-18 472 mi
759.61 km
7.03 gal (US)
5.85 gal (Imp)
26.61 L
236.91 kWh
$2.699
($18.97 total for this fill)
67.14 mpg (US)
80.68 mpg (Imp)
3.5 L/100 km
1.49 gal (US)/100 mi
501.93 Wh/mi
2009-06-15 549 mi
883.53 km
8.83 gal (US)
7.35 gal (Imp)
33.43 L
297.57 kWh
$2.789
($24.63 total for this fill)
62.17 mpg (US)
74.69 mpg (Imp)
3.78 L/100 km
1.61 gal (US)/100 mi
542.02 Wh/mi
2009-05-24 306 mi
492.46 km
4.07 gal (US)
3.39 gal (Imp)
15.41 L
137.16 kWh
$2.459
($10.01 total for this fill)
75.18 mpg (US)
90.27 mpg (Imp)
3.13 L/100 km
1.33 gal (US)/100 mi
448.24 Wh/mi
The partial grille block seems to improve handling in wind but still squirmy in windy conditions, especially with the skinny tires
2009-04-18 2071 mi
3332.95 km
35.72 gal (US)
29.74 gal (Imp)
135.21 L
1203.76 kWh
$2.219
($79.26 total for this fill)
57.98 mpg (US)
69.64 mpg (Imp)
4.06 L/100 km
1.72 gal (US)/100 mi
581.25 Wh/mi
Round trip Colorado to Iowa. Installed Sumitomo HTR T4 P165/70R13 tires before trip. Highest 64.2 mpg. Lowest 46 mpg due to head winds
2009-03-07 501 mi
806.28 km
8.143 gal (US)
6.78 gal (Imp)
30.82 L
274.42 kWh
61.53 mpg (US)
73.89 mpg (Imp)
3.82 L/100 km
1.63 gal (US)/100 mi
547.74 Wh/mi
Stage 1 aero mods. Removed rear window louvers, add partial grille block, front & rear tire strakes

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


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