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Fuel log graph
Efficiency log for: TBD - 2017 Toyota Corolla LE
  • Lifetime Fuel Economy: 35 mpg (US), 6.7 L/100 km, 42 mpg (Imp)
  • 90-day Fuel Economy: 35.5 mpg (US), 6.6 L/100 km, 42.6 mpg (Imp)
  • 3-tank Fuel Economy: 35.1 mpg (US), 6.7 L/100 km, 42.2 mpg (Imp)
  • EPA Combined Rating / % over rating: 32 mpg (US) / 10.9% (based on 90-day fuel economy)
  • Total fills: 17
  • Average cost per gal/L: $2.45 per gal (US); $0.00 per L (price data entered for 17 fill/s)
  • Average cost per fill: $22.13
  • Average distance cost: $0.07 per mi. / $0.04 per km
  • Total fuel used: 153.7 gal (US), 581.8 L
  • Total distance traveled: 5375.2 mi. / 8650.5 km
  • Total cost: $376.28
  • Total fuel saved vs. EPA: 14.3 gal. (US) / 54.1 L
  • Total saved: $35.04 (based on avg. cost per gal./L)
  • Average tank distance: 316.2 mi. / 508.9 km
Fill date Distance Fill amount Price Fuel Economy Details
2019-09-14 355.5 mi
572.12 km
9.99 gal (US)
8.32 gal (Imp)
37.82 L
336.66 kWh
$2.239
($22.37 total for this fill)
35.59 mpg (US)
42.73 mpg (Imp)
6.61 L/100 km
2.81 gal (US)/100 mi
947 Wh/mi
Normal week with one-way trip to Winston-Salem at the tail end of tank.
2019-09-08 348.8 mi
561.34 km
9.765 gal (US)
8.13 gal (Imp)
36.96 L
329.08 kWh
$2.259
($22.06 total for this fill)
35.72 mpg (US)
42.9 mpg (Imp)
6.58 L/100 km
2.8 gal (US)/100 mi
943.46 Wh/mi
Worked in Mooresville this week, lots of travel on I-77. Added additional radiator grill blocker in center of radiator.
2019-08-30 371.9 mi
598.52 km
10.897 gal (US)
9.07 gal (Imp)
41.25 L
367.23 kWh
$2.299
($25.05 total for this fill)
34.13 mpg (US)
41 mpg (Imp)
6.89 L/100 km
2.93 gal (US)/100 mi
987.44 Wh/mi
Return trip from Aiken SC plus a week of carpool.
2019-08-25 307.5 mi
494.87 km
8.783 gal (US)
7.31 gal (Imp)
33.25 L
295.99 kWh
$2.039
($17.91 total for this fill)
35.01 mpg (US)
42.07 mpg (Imp)
6.72 L/100 km
2.86 gal (US)/100 mi
962.57 Wh/mi
Trip to Aiken SC. Fill up was about 3/4 tank, though first 1/4 tank was normal week of carpools and school start.
2019-08-21 355.5 mi
572.12 km
10.865 gal (US)
9.05 gal (Imp)
41.13 L
366.15 kWh
$2.399
($26.07 total for this fill)
32.72 mpg (US)
39.28 mpg (Imp)
7.19 L/100 km
3.06 gal (US)/100 mi
1029.96 Wh/mi
School has started, so that means carpool lines and increased traffic. 80/20 city/highway
2019-08-09 351.1 mi
565.04 km
10.549 gal (US)
8.78 gal (Imp)
39.93 L
355.5 kWh
$2.459
($25.94 total for this fill)
33.28 mpg (US)
39.99 mpg (Imp)
7.07 L/100 km
3 gal (US)/100 mi
1012.53 Wh/mi
90% city driving. Added new underfloor fill-in piece, in place where underside tow hook used to reside, about 3/4 way through tank. More significantly, altered home-route from afternoon YMCA pick up to incorporate more highway driving even if it was 4 miles longer (same travel time though). Last week of YMCA carpool line. However school is back next week (Thursday and Friday).
2019-07-31 336.9 mi
542.19 km
10.684 gal (US)
8.9 gal (Imp)
40.44 L
360.05 kWh
$2.459
($26.27 total for this fill)
31.53 mpg (US)
37.85 mpg (Imp)
7.46 L/100 km
3.17 gal (US)/100 mi
1068.71 Wh/mi
100% city and extended idle waiting in carpool pickup lanes. First tank below EPA rating. Kind of bummed!

Added underfloor covers ahead of front tire spats to eliminate ugly-aero concavity, as well as asymmetrical middle radiator inlet blocker (asymmetrical inasmuch as I've only added it to one side for the moment).
2019-07-08 252.8 mi
406.84 km
6.167 gal (US)
5.13 gal (Imp)
23.34 L
207.83 kWh
$2.459
($15.16 total for this fill)
40.99 mpg (US)
49.28 mpg (Imp)
5.74 L/100 km
2.44 gal (US)/100 mi
822.11 Wh/mi
Return trip to Charlotte. 100% highway.
2019-07-06 296.8 mi
477.65 km
6.806 gal (US)
5.67 gal (Imp)
25.76 L
229.36 kWh
$2.399
($16.33 total for this fill)
43.61 mpg (US)
52.35 mpg (Imp)
5.39 L/100 km
2.29 gal (US)/100 mi
772.78 Wh/mi
Return trip to Charlotte. Fitted small grill blocker and Toyota Corolla LE Eco front underfloor. 100% highway.
2019-07-05 153.9 mi
247.68 km
4.718 gal (US)
3.93 gal (Imp)
17.86 L
159 kWh
$2.399
($11.32 total for this fill)
32.62 mpg (US)
39.16 mpg (Imp)
7.21 L/100 km
3.07 gal (US)/100 mi
1033.14 Wh/mi
In town driving while in Orlando. 100% city.
2019-07-02 245 mi
394.29 km
5.841 gal (US)
4.86 gal (Imp)
22.11 L
196.84 kWh
$2.589
($15.12 total for this fill)
41.94 mpg (US)
50.41 mpg (Imp)
5.61 L/100 km
2.38 gal (US)/100 mi
803.43 Wh/mi
Trip to Florida. 100% highway.
2019-07-01 218.3 mi
351.32 km
5.177 gal (US)
4.31 gal (Imp)
19.6 L
174.46 kWh
$2.659
($13.77 total for this fill)
42.17 mpg (US)
50.65 mpg (Imp)
5.58 L/100 km
2.37 gal (US)/100 mi
799.18 Wh/mi
Trip to Florida. 100% highway.
2019-06-30 350 mi
563.27 km
10.878 gal (US)
9.06 gal (Imp)
41.18 L
366.59 kWh
$2.499
($27.18 total for this fill)
32.18 mpg (US)
38.63 mpg (Imp)
7.31 L/100 km
3.11 gal (US)/100 mi
1047.4 Wh/mi
90% city, 10% highway. School out.
2019-06-11 357.7 mi
575.66 km
11.106 gal (US)
9.25 gal (Imp)
42.04 L
374.27 kWh
$2.449
($27.2 total for this fill)
32.21 mpg (US)
38.67 mpg (Imp)
7.3 L/100 km
3.1 gal (US)/100 mi
1046.32 Wh/mi
90% city, 10% highway. School out.
2019-05-23 361.3 mi
581.46 km
10.66 gal (US)
8.88 gal (Imp)
40.35 L
359.24 kWh
$2.559
($27.28 total for this fill)
33.89 mpg (US)
40.69 mpg (Imp)
6.94 L/100 km
2.95 gal (US)/100 mi
994.3 Wh/mi
85% city, 15% highway. School's out, so limited highway running.
2019-05-11 343.8 mi
553.29 km
10.013 gal (US)
8.34 gal (Imp)
37.9 L
337.44 kWh
$2.859
($28.63 total for this fill)
34.34 mpg (US)
41.22 mpg (Imp)
6.85 L/100 km
2.91 gal (US)/100 mi
981.5 Wh/mi
Put in 89 octane. Usual mix of 60% city, 40% highway driving. First tank (below) was same.
2019-05-04 368.4 mi
592.88 km
10.8 gal (US)
8.99 gal (Imp)
40.88 L
363.96 kWh
$2.65
($28.62 total for this fill)
34.11 mpg (US)
40.98 mpg (Imp)
6.9 L/100 km
2.93 gal (US)/100 mi
987.95 Wh/mi
First tank, approximation as I apparently threw out the receipt. The gallons used is correct, the distance travelled, which was written on the receipt, is the guesstimate.

I have worked on sealing up the hood as it is lacking in this area. That entailed utilizing weather stripping on the major dimensions. At the moment it's somewhat temporary and I have some better closed cell proper automotive door/hood-type gasket that I think will work on the way.

I've also removed the centerline tow hook as it hangs into the airstream (and weighs about 5 lbs.) and sealed with aluminum tape in the general area.

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


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