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Fuel log graph
Efficiency log for: [SOLD] Highway Warrior - 2000 Mazda Protege LX 1.6L Manual
  • Lifetime Fuel Economy: 34.5
  • 90-day Fuel Economy: 35.93
  • 3-tank Fuel Economy: 36.29
  • EPA Rating (% over): 27 (33.0741%)
  • Total fills: 43
  • Average cost per gallon: $1.73
  • Average cost per fill: $15.98
  • Average cost per mile: $0.05Total gallons used: 396.94
  • Total miles traveled: 13696.3
  • Total cost: $686.7
  • Total saved: 110.33 gallons
  • Total saved: $190.87
  • Average tank distance: 318.52
Fill date Distance Fill amount Price MPG Details
2009-04-30 348.8 mi. 8.682 US gal $1.98 40.18 US 330 miles of this was a highway trip with outside temperature in the 60s and a decent tailwind.
2009-04-26 242 mi. 6.505 US gal $1.79 37.2 US 95% highway. Never above 71mph.
2009-04-25 229.9 mi. 7.429 US gal $1.74 30.95 US 70% highway, 70-75mph (on a 75mph speed limit highway)
2009-04-24 375.6 mi. 11.16 US gal $1.78 33.66 US Pretty warm outside, 60+ degrees. Crazy wind for about half the trip. About 10% city, 90% highway.
2009-04-19 400.8 mi. 11.13 US gal $2.01 36.01 US Insane amount of rain. I could feel the huge puddles on the highway killing my rolling resistance. Lots of headwind too.

Tank 2 for the day.
2009-04-19 369.9 mi. 10.41 US gal $1.78 35.53 US Tank one for the day. Strong wind, some rain. 80% highway, 20% city.
2009-04-17 394.3 mi. 10.49 US gal $1.78 37.59 US Warm weather, 60-70 degrees. All highway, 65-70mph.
2009-04-16 397 mi. 10.86 US gal $2.01 36.56 US Return trip from last weekend. 95% highway, with a couple errands around town. Kind of cold outside.
2009-04-12 375.5 mi. 10.68 US gal $1.78 35.16 US 80% highway, 20% city. Strong headwind for about half of the highway driving. Cruise set at 70-72mph. Everyone was going faster than me, so I couldn't find anything good to draft off of.
2009-04-10 394.7 mi. 9.988 US gal $1.81 39.52 US All highway, no stops. The outside temperature was less than 50 degrees the whole way.

Cruise control at 67-72mph, with a little DWL and neutral-coasting on big hills.
2009-04-04 415.4 mi. 10.7 US gal $1.95 38.82 US Trip up to Chicago and back, with a few stops around the Chicago area. I had some stop-and-go traffic, but mostly highway.

Tires at 50 PSI now. Had one other person in the car for 80% of this trip.

The scangauge is finally calibrated well! It told me that I used 10.7 gallons, and it was exactly right.
2009-03-14 436 mi. 11.03 US gal $1.79 39.53 US Finally home (tank 2 for the day). Got to below 40 degrees outside on the way back.
2009-03-14 264.1 mi. 6.21 US gal $1.65 42.53 US Rear seats still out. Almost all highway, under 72 mph.
2009-03-13 421.8 mi. 10.89 US gal $1.65 38.73 US Tolono, IL to Sarcoxie, MO. No stops. First full tank with front tires at 48 PSI and rear tires at 42 PSI. Also first tank with rear seats out.
2009-03-09 461.7 mi. 12.56 US gal $1.999 36.76 US These miles are from yesterday's trip. All of it is under 72mph, some DWL and some cruise control. Outside temperature ranging from 60 degrees to around 40 degrees.
2009-03-08 262 mi. 8.216 US gal $1.699 31.89 US 30 miles of city driving. The rest was cruise control @ 75mph. The speed limit is 75 down there, and I was in a hurry.
2009-03-06 431.2 mi. 11.29 US gal $1.65 38.19 US Tank 2 for the day.

Cruise at 65-72mph, some DWL. 70-75 degrees outside. Upper and lower grill blocked, 100% highway.
2009-03-06 217 mi. 7.32 US gal $1.99 29.64 US tank 1 for the day.
2009-02-22 347.2 mi. 10.45 US gal $1.63 33.22 US In a hurry to get home to study for midterms. Tank 2 for the day. Cruise set for 72-76mph.
2009-02-22 170.7 mi. 5.855 US gal $1.59 29.15 US 40% city, 60% highway. The highway was with the cruise set for 77mph. I was in a hurry.
2009-02-20 218.8 mi. 6.996 US gal $1.59 31.28 US In a hurry, set cruise for 73, even through the hills. Grill blocked. It's just a coincidence that an other of my tanks today was also about 219 miles.

Tank 3 for the day.
2009-02-20 256.6 mi. 7.904 US gal $1.76 32.46 US 90% highway.
2009-02-20 218.9 mi. 6.145 US gal $1.63 35.62 US First full tank with grill block. Tank 2 for the day.
2009-02-15 243.2 mi. 6.711 US gal $1.689 36.24 US 80% highway, 20% city. DWL on hills. Lots of headwind, some drafting. Outside temperature 35-45 degrees. Tank one for the day.
2009-02-15 309.1 mi. 9.5 US gal $1.899 32.54 US All highway. Mostly flat road, cruise control set for 68-70mph. Lots of headwind, some drafting. Outside temperature 27-33 degrees. Tank two for the day.
2009-02-13 343.4 mi. 7.929 US gal $1.759 43.31 US 100% highway, no stops. I did DWL with my scangauge on hills. Never went over 70mph.
2009-02-01 339.2 mi. 10.13 US gal $1.71 33.48 US 65-70 mph. Some DWL, some cruise control at 68mph. Tank 2 of the day. Finally home.
2009-02-01 206.7 mi. 5.895 US gal $1.66 35.06 US Very windy, 70-72mph. Drafted semis and SUVs for about half of this tank. This was probably the warmest day on which I've driven this car so far. Hit 55 degrees F for part of this tank. Tank 1 today.
2009-01-30 227.3 mi. 6.48 US gal $1.599 35.08 US It was getting late, so I was in a hurry. I set the cruise at 76mph (in a 75mph speed limit zone). Tank 3 for the day.
2009-01-30 260.3 mi. 7.795 US gal $1.64 33.39 US First full tank with ScanGauge II. The SG seems very optimistic; it thought I averaged 43.6 MPG on this tank.

Tried a little DWL. Tank 2 of the day.
2009-01-30 355.6 mi. 11.14 US gal $1.79 31.92 US Last 90 miles were the beginning of my first trip with the ScanGauge II. Tank 1 for the day.
2009-01-25 295.6 mi. 8.666 US gal $1.599 34.11 US 90% highway, 10% city. Weather hovering around freezing. Tank one today.
2009-01-25 302.4 mi. 10.42 US gal $1.799 29.02 US All highway, 72-77mph. Tank two for the day, no stops. Around 10 degrees outside.
2009-01-23 352.2 mi. 10.86 US gal $1.79 32.43 US 68-75mph, all highway. Tank one of this trip. Grill blocked, just changed the oil.
2009-01-22 317.4 mi. 10.12 US gal $1.79 31.36 US 300 of these miles are an ice storm last December. This was the worst weather I had ever driven in.
2008-12-18 318.1 mi. 12.69 US gal $1.49 25.07 US Embarassing. This was 70-72mph. I filled up at a central Missouri Road Ranger; perhaps the octane content was a bit low? 98% highway. (Tank 1 of the day)
2008-12-18 285.5 mi. 7.821 US gal $1.49 36.5 US Freezing rain the whole way, 72-75mph. In a hurry to get home and study for finals. (Tank 2 of the day)
2008-12-16 325.6 mi. 9.592 US gal $1.49 33.94 US Horrible winter weather. So cold and rainy that 2/3 of the windshield was frozen for part of it. As usual, all highway.
2008-12-07 261.3 mi. 8.362 US gal $1.649 31.25 US Weather went from about 40 degrees to 10 degrees during this leg of the trip. I should work on a solution to keep my engine warmer? I'll knock together a grill block soon.
2008-12-07 308.9 mi. 8.158 US gal $1.499 37.86 US ALL highway, under 70mph. Started in 68 degree weather, fueled up at about 40 degrees.
2008-12-07 298.7 mi. 10.2 US gal $1.459 29.28 US About 70% highway. Some city.

Taught my girlfriend to drive a manual on this tank, so lots of driving slowly around a parking lot. She didn't stall it on her first try, either!
2008-12-05 343.2 mi. 10.56 US gal $1.579 32.5 US Nearly all highway. Pretty cold (below freezing).
2008-11-23 352.7 mi. 11.01 US gal $1.66 32.03 US weekend trip...70 miles with tires at ~20psi. the rest with tires at 33 psi. 80% highway, 10% stop-and-go, 10% aggressive city.

I'm running black steel wheels right now; I'm looking into getting some moon hubcaps or Honda Insight wheels. Also planning to remove the decklid spoiler, replace 2 tires, and replace the air filter.

Shooting for 38-40mpg with these mods.

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