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Fuel log graph
Efficiency log for: Hyper Black - 2010 Honda Insight LX
  • Lifetime Fuel Economy: 47.7 mpg (US), 4.9 L/100 km, 57.3 mpg (Imp)
  • 90-day Fuel Economy: 47.7 mpg (US), 4.9 L/100 km, 57.3 mpg (Imp)
  • 3-tank Fuel Economy: 47 mpg (US), 5 L/100 km, 56.5 mpg (Imp)
  • EPA Combined Rating / % over rating: 41 mpg (US) / 16.4% (based on 90-day fuel economy)
  • Total fills: 9
  • Average cost per gal/L: $2.33 per gal (US); $0.00 per L (price data entered for 9 fill/s)
  • Average cost per fill: $22.01
  • Average distance cost: $0.05 per mi. / $0.03 per km
  • Total fuel used: 84.91 gal (US), 321.4 L
  • Total distance traveled: 4053.5 mi. / 6523.5 km
  • Total cost: $198.07
  • Total fuel saved vs. EPA: 14 gal. (US) / 53 L
  • Total saved: $32.62 (based on avg. cost per gal./L)
  • Average tank distance: 450.4 mi. / 724.8 km
Fill date Distance Fill amount Price Fuel Economy Details
2017-02-19 458.4 mi
737.72 km
9.73 gal (US)
8.1 gal (Imp)
36.83 L
327.9 kWh
($22.37 total for this fill)
47.11 mpg (US)
56.59 mpg (Imp)
4.99 L/100 km
2.12 gal (US)/100 mi
715.31 Wh/mi
Used: 87 Octane Regular
Filled: 87 Octane Regular
FCD: 50.0mpg
Type: Half rideshare, half commute
Goal: Keep up with traffic

50/50 this tank, rideshare and commute driving.
2017-02-14 430.9 mi
693.47 km
9.186 gal (US)
7.65 gal (Imp)
34.77 L
309.57 kWh
($22.96 total for this fill)
46.91 mpg (US)
56.33 mpg (Imp)
5.01 L/100 km
2.13 gal (US)/100 mi
718.43 Wh/mi
Used: 87 Octane Ethanol-Free
Filled: 87 Octane Regular
FCD: 50.2mpg
Type: Mostly Rideshare, some commute
Goal: Keep up with traffic

This tank was also mostly rideshare driving.
2017-02-11 431.6 mi
694.59 km
9.164 gal (US)
7.63 gal (Imp)
34.69 L
308.83 kWh
($23.82 total for this fill)
47.1 mpg (US)
56.57 mpg (Imp)
4.99 L/100 km
2.12 gal (US)/100 mi
715.55 Wh/mi
Used: 87 Octane Regular
Filled: 87 Octane Ethanol-Free
FCD: 51.4mpg
Type: Mostly Rideshare, some commute
Goal: Keep up with traffic

Drove kinda like a normal person, that is to say, bad for MPG. But at least 60% of this tank was rideshare driving.
2017-02-09 432.8 mi
696.52 km
9.138 gal (US)
7.61 gal (Imp)
34.59 L
307.95 kWh
($22.84 total for this fill)
47.36 mpg (US)
56.87 mpg (Imp)
4.97 L/100 km
2.11 gal (US)/100 mi
711.53 Wh/mi
Used: 87 Octane Regular
Filled: Same
FCD: 51.4mpg
Type: Commute and Ridesharing
Goal: Light Hypermiling

I wasn't going for a record this time, instead I was trying to get around, but I also wasn't going super fast the whole time. I used some hypermiling techniques, I was just a little more liberal with the speed than usual. I also finally got to do some rideshare driving again. For that type of driving I can't hypermile the way I would if I was going for a record like last time.
2017-02-04 502.1 mi
808.05 km
9.414 gal (US)
7.84 gal (Imp)
35.64 L
317.25 kWh
($20.7 total for this fill)
53.34 mpg (US)
64.04 mpg (Imp)
4.41 L/100 km
1.87 gal (US)/100 mi
631.85 Wh/mi
Used: 87 Octane Regular
Filled: Same
FCD: 55.7mpg
Type: Commute
Goal: Hypermiling

I installed a coroplast radiator block (blocks about 60% of the rad) and pumped the tires to 48 PSI before beginning this tank. I also installed brake drag reduction clips. The weather was kinda cold a couple days, kinda lukewarm for some of the other days.

I was trying to hypermile as best I could throughout the tank, and saw a max of 56.2 on the FCD. Unless I do some other mods this is probably the best kind of MPG I can get in this car with my commute. When we get to summer and it's warmer that will help of course, but like as far as driving goes, I was frequently doing 50 MPH in 65 MPH zones, going slow on regular roads, etc. I'll be hard-pressed to drive more fuel efficiently over this length of time again.

As I mentioned on the previous tank there might have been an issue with filling up all the way at the gas pump, which could have knocked that tank down a bit in comparison to previous ones, I went to 4 clicks this time to be sure. (Previous to the prior tank I had gone only to 3 clicks.)
2017-01-25 477.5 mi
768.46 km
9.952 gal (US)
8.29 gal (Imp)
37.67 L
335.38 kWh
($22.68 total for this fill)
47.98 mpg (US)
57.6 mpg (Imp)
4.9 L/100 km
2.08 gal (US)/100 mi
702.37 Wh/mi
Used: 87 Octane Regular
Filled: Same
FCD: 52.5mpg
Type: Commute
Goal: Hypermiling

This tank was mostly commute miles, but there was a little bit of rideshare driving. I installed my ScanGauge II into the car about halfway through, and started using it to look at TPS to help keep me in a higher MPG bracket. I'm still learning though. The TPS seems to behave a little different from the G1 Insight.

I'm suspicious that prior to this I may not have been filling it all the way or something. I took this tank farther than any previous tanks, and I did end up putting more gas in than previous, but the discrepancy between FCD reported mpg and tank calculated mpg is really big. I need to figure out how to measure MPG with my ScanGauge to see what it thinks. I also hypermiled like to the max for most of this tank, way more than I could have on tank 1 since I was so new to the car with that one. But I do know the tires may be a bit low because I haven't pumped them in a few months, so that could be a factor.
2016-12-01 445.7 mi
717.28 km
9.812 gal (US)
8.17 gal (Imp)
37.14 L
330.66 kWh
($20.01 total for this fill)
45.42 mpg (US)
54.55 mpg (Imp)
5.18 L/100 km
2.2 gal (US)/100 mi
741.89 Wh/mi
Tank was 87 octane regular, refilled with the same. FCD read 48.8 mpg at the end of the tank. This was almost exclusively rideshare driving.
2016-11-29 439 mi
706.5 km
9.47 gal (US)
7.89 gal (Imp)
35.85 L
319.14 kWh
($20.45 total for this fill)
46.36 mpg (US)
55.64 mpg (Imp)
5.07 L/100 km
2.16 gal (US)/100 mi
726.97 Wh/mi
Tank was 87 Ethanol Free, but now filled with 87 Regular. Second tank in the black car, tried to go a little further with it, but economy wasn't as good. I'm using this car for Uber and Lyft mostly, I try to take the silver one if it's just going to be a commute.
2016-11-23 435.5 mi
700.87 km
9.044 gal (US)
7.53 gal (Imp)
34.24 L
304.78 kWh
($22.24 total for this fill)
48.15 mpg (US)
57.84 mpg (Imp)
4.89 L/100 km
2.08 gal (US)/100 mi
699.84 Wh/mi
This tank was 87 Octane Regular, I refilled with 87 Octane Ethanol Free. This was my first tank, the FCD said I had 50.1 MPG at the end of it. I ended the tank early because I'm not used to the fuel gauge yet.

I pumped the tires to 44 PSI after the very first drive. I did a lot of driving in areas I had never been to before so I made quite a few U-turns. At least half of the driving was on the highway.

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

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