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Fuel log graph
Efficiency log for: pistachio - 2013 Toyota Prius Plug-in Advanced
  • Lifetime Fuel Economy: 62.4 mpg (US), 3.8 L/100 km, 74.9 mpg (Imp)
  • 90-day Fuel Economy: 62.4 mpg (US), 3.8 L/100 km, 74.9 mpg (Imp)
  • 3-tank Fuel Economy: 54 mpg (US), 4.4 L/100 km, 64.8 mpg (Imp)
  • EPA Combined Rating / % over rating: 50 mpg (US) / 24.7% (based on 90-day fuel economy)
  • Total fills: 6
  • Average cost per gal/L: $2.69 per gal (US); $0.00 per L (price data entered for 4 fill/s)
  • Average cost per fill: $21.05
  • Average distance cost: $0.04 per mi. / $0.03 per km
  • Total fuel used: 44.75 gal (US), 169.4 L
  • Total distance traveled: 2790.1 mi. / 4490.2 km
  • Total cost: $84.18
  • Total fuel saved vs. EPA: 11.1 gal. (US) / 42 L
  • Total saved: $29.86 (based on avg. cost per gal./L)
  • Average tank distance: 465 mi. / 748.4 km
Fill date Distance Fill amount Price Fuel Economy Details
2020-09-21 409 mi
658.22 km
7.051 gal (US)
5.87 gal (Imp)
26.69 L
237.62 kWh
$2.489
($17.55 total for this fill)
58.01 mpg (US)
69.68 mpg (Imp)
4.05 L/100 km
1.72 gal (US)/100 mi
580.98 Wh/mi
I give up. Will only do receipts from now on and ignore computer. This trip was about half with the old tires, and half with new ones. Curious to see results for new tires and will have to calibrate odometer perhaps.
2020-09-17 395.9 mi
637.14 km
8.019 gal (US)
6.68 gal (Imp)
30.36 L
270.24 kWh
$2.449
($19.64 total for this fill)
49.37 mpg (US)
59.27 mpg (Imp)
4.77 L/100 km
2.03 gal (US)/100 mi
682.6 Wh/mi
average speed 41mph. computer says 54mpg, but again the damn receipt says otherwise.
2020-09-14 444.7 mi
715.68 km
8.085 gal (US)
6.73 gal (Imp)
30.61 L
272.46 kWh
$3.29
($26.6 total for this fill)
55 mpg (US)
66.08 mpg (Imp)
4.28 L/100 km
1.82 gal (US)/100 mi
612.68 Wh/mi
basing the gallons used off the computer telling me it got 55mpg
2020-09-11 372.2 mi
599 km
6.39 gal (US)
5.32 gal (Imp)
24.19 L
215.34 kWh
58.25 mpg (US)
69.96 mpg (Imp)
4.04 L/100 km
1.72 gal (US)/100 mi
578.56 Wh/mi
Another issue with computer vs receipts. I traveled 372.2 miles, and filled 6.39 gallons. This makes 58.247 Mpg, but the computer claims 48mpg, which wouldíve been 7.754 gallons. This doesnít seem possible, since my tank wasnít that empty. Weird ****.
2020-09-08 507.7 mi
817.06 km
7.051 gal (US)
5.87 gal (Imp)
26.69 L
237.62 kWh
72 mpg (US)
86.49 mpg (Imp)
3.27 L/100 km
1.39 gal (US)/100 mi
468.03 Wh/mi
Discrepancy between Prius computer and the receipt. Computer says 72 MPG, but trip miles and gallons of gas equals 67 MPG. I would expect the opposite, where gas receipt shows higher miles due to ignoring electrical aspect, so like 80 MPG, but the Prius would say 72 to account for however many kWh we used.

Adjusted the gallons of gas from 7.548 to 7.051 to match the computerís 72 MPG, since I donít know how reliable the auto-off pump mechanism is at gas station. Need to research.
2020-09-01 660.555 mi
1063.06 km
8.155 gal (US)
6.79 gal (Imp)
30.87 L
274.82 kWh
$2.5
($20.39 total for this fill)
81 mpg (US)
97.28 mpg (Imp)
2.9 L/100 km
1.23 gal (US)/100 mi
416.04 Wh/mi
Mostly highway miles

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


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