0000-00-00 365.2 10.273 $2.059 35.55 ""
2010-09-13 288.9 8.762 $2.999 32.97 "First tank hypermiling in the Miata. Shifted at 2k as much as possible. Chevron gas."
2010-09-21 329 9.817 $2.919 33.51 "Second tank hypermiling. Included a trip to Portland and back. Filled up at Texaco"
2010-10-03 269.2 8.779 $2.899 30.66 "Didn't drive conservatively 100% of the time. Wasn't as focused. All city driving I think. Some top down driving."
2010-10-16 284.4 8.943 $2.999 31.8 "100% city driving. Drove semi-aggressively for about 15 miles. Had the top off for a little bit of this tank. Experimented with engine-off coasting and inflated the tires which were around 20-22psi up to 44psi, but not until the last quarter tank. Temperatures have really dropped a lot here lately."
2010-10-25 299.9 8.114 $2.999 36.96 "About 50% highway 50% city. First full tank with tires inflated to 44psi. First full tank using EOC. Changed my fuel filter during the tank and probably spilled at least .25 gallons of fuel on the ground. Cold and rainy weather, hardtop up for the whole tank."
2010-11-08 301.4 8.84 $2.959 34.1 "No long highway trips. Lots of cold, rainy weather. removed my antenna for the last quarter tank."
2010-11-21 305 8.757 $2.999 34.83 "Lots of rain and some near freezing temps. One 75 mile highway trip."
2010-11-30 312.9 8.766 $2.979 35.69 "75% highway driving. Sub-freezing temperatures and rain. Headlights up 25% of tank."
2010-12-06 305.8 9.09 $3.059 33.64 "Near the beginning of the tank I installed a cold air intake. Then I did some hard driving to test it out. Then I did a 180 mile freeway trip driving around 70-75 for half of it, and letting my non-hypermiling friend drive the other half. I finished off with ""normal"" driving. Somehow I got 33.6 mpg still, just under my average. So either my CAI made a positive difference in MPGs or the attendant topping off my tank at my last fill-up made a big difference."
2010-12-19 284.4 8.462 $3.019 33.61 ""
2010-12-25 350 9.003 $2.999 38.88 "Almost 100% highway driving. Cold and rainy weather. More than 25% with headlights up. Did some speeding on one Portland to Corvallis trip."
2010-12-31 284.2 8.279 $3.119 34.33 "Had to fill up before gas tax went up $.06 on 1/1/11."
2011-01-17 277.2 8.262 $3.079 33.55 "It took a long time to use this much gas because I have been biking more. I don't remember all the driving conditions. It has been cold and rainy for the most part. There were several times where I let my car sit and warm up for a while."
2011-02-02 322.8 9.215 $3.199 35.03 "First tank switching from CAI to WAI. It's taking me so long to burn through tanks these days that I'm not sure what the driving conditions were like. It is still winter though, so it's been cold and maybe rainy."
2011-02-21 288 8.546 $3.359 33.7 "Second tank using warm air intake. Lots of cold weather. Let my car warm up while scraping ice several times."
2011-02-28 301 8.968 $3.499 33.56 "150 miles highway driving. 5 miles snow driving. 3rd tank with WAI."
2011-03-07 307.9 9.375 $3.599 32.84 "150 hwy miles. Had WAI on for most of the tank. switched to CAI for the last 50 or so miles. Went on a drive with lots of aggressive driving for 30 or 40 miles."
2011-03-22 284.9 8.546 $3.679 33.34 "CAI Some spirited driving, one trip to Portland"
2011-04-04 301.9 8.924 $3.799 33.83 ""
2011-04-09 340.7 9.361 $3.739 36.4 "Freeway drafting and 45 mph on the hwy."
2011-04-22 383.2 10.8 $3.899 35.48 "Freeway drafting, and the weather is starting to warm up."
2011-04-27 346.9 9.422 $3.939 36.82 "Switched to 0w30 oil."
2011-05-01 198.7 6.531 $3.819 30.42 "Mostly freeway, but did 20 autocross runs."
2011-05-04 231.5 5.687 $3.869 40.71 "Drafting semis on the freeway"
2011-05-08 324.5 8.789 $3.869 36.92 "Mostly freeway, went on a long, spirited, group Miata drive."
2011-05-16 318.8 9.047 $3.979 35.24 "Got 195/60R14 Falken Azenix RT615k's mounted up on Enkei RPF1's half-way through this tank. Tire pressure was only 26psi."
2011-05-19 114.5 3.447 $3.999 33.22 "Around town cruising. Some top down driving."
2011-05-24 121.7 3.877 $3.869 31.39 ""
2011-05-31 241.5 7.236 $3.869 33.37 "Starting to think these new tires are having a negative effect on my mileage. Can't say I'm surprised."
2011-06-14 262.6 7.94 $3.779 33.07 ""
2011-06-20 262.3 7.673 $3.779 34.18 ""
2011-07-03 271.3 8.067 $3.719 33.63 ""
2011-07-09 276.2 9.084 $3.759 30.41 ""
2011-07-23 258.8 8.043 $3.559 32.18 ""
2011-08-07 270.7 8.346 $3.759 32.43 ""
2011-08-17 286.2 9.075 $3.559 31.54 ""
2011-08-24 244.5 7.845 $3.569 31.17 ""
2011-08-29 215.5 6.59 $3.569 32.7 ""
2011-09-01 305.3 7.29 $3.669 41.88 "Switched back to my all season tires because I had a lot of driving to do."
2011-09-21 305.3 9.146 $3.799 33.38 "All seasons 185's"
2011-09-26 308 9.79 $3.779 31.46 "Azenis RT615k 195's"
2011-10-17 238.7 8.96 $3.649 26.64 ""
2011-10-24 260 8.72 $3.639 29.82 ""
2011-11-01 289.3 9.7 $3.609 29.82 ""
2011-11-13 273.5 9.67 $3.639 28.28 ""
2011-12-02 256.8 9.46 $3.619 27.15 ""
2011-12-15 206.7 8.74 $3.319 23.65 ""
2011-12-21 253.6 8.43 $3.219 30.08 ""
2011-12-24 181.8 5.83 $31.2 31.18 ""
2011-12-30 279 8.61 $3.369 32.4 ""
2012-01-03 291.4 9.47 $3.169 30.77 ""
2012-01-15 228.5 8.55 $3.439 26.73 ""
2012-01-28 186.3 7.37 $3.499 25.28 ""
2012-02-02 263.7 8.83 $3.399 29.86 ""
2012-02-16 222 8.67 $3.469 25.61 ""
2012-03-02 234.2 9.15 $3.809 25.6 ""
2012-03-08 278.5 8.74 $3.859 31.86 ""
2012-03-12 265.1 8.15 $4.159 32.53 ""
2012-03-16 269.5 8.99 $3.909 29.98 ""
2012-03-25 255 8.68 $3.979 29.38 ""
2012-03-28 265.1 8.15 $4.159 32.53 ""
2012-03-28 197 6.81 $4.099 28.93 ""
2012-03-28 283.5 10 $4.179 28.35 ""
2012-03-28 298.8 10.26 $4.339 29.12 ""
2012-03-30 137 4.61 $4.339 29.72 ""
2012-03-30 118.6 3.34 $4.419 35.51 ""
2012-04-01 228.1 8.36 $4.239 27.28 ""
2012-04-02 306.7 10.65 $4.039 28.8 ""
2012-04-02 173.8 5.11 $4.199 34.01 ""
2012-04-06 261.3 8.46 $4.139 30.89 ""
2012-04-16 274 8.93 $4.119 30.68 ""
2012-04-25 284.3 9.13 $4.039 31.14 ""
2012-05-01 275.2 9.18 $4.039 29.98 ""
2012-05-12 274.8 9.71 $4.119 28.3 ""
2012-05-20 288.5 9.14 $4.159 31.56 ""
2012-05-31 310.3 9.74 $4.189 31.86 ""
2012-06-10 270.6 8.42 $4.159 32.14 ""
2012-06-18 328.9 9.9 $3.639 33.22 ""
2012-06-26 114.5 3.79 $3.539 30.21 ""
2012-07-06 239.4 7.65 $3.399 31.29 ""
2012-07-20 282.4 9.44 $3.499 29.92 ""
2012-07-29 275.2 8.86 $3.499 31.06 ""
2012-08-05 255.5 8.29 $3.619 30.82 ""
2012-08-14 286 9.12 $3.839 31.36 ""
2012-08-23 307 9.67 $3.929 31.75 ""
2012-09-01 136.6 4.37 $4.099 31.26 ""
2012-09-07 323.1 8.67 $4.039 37.27 ""
2012-09-14 317 9.4 $4.059 33.72 ""
2012-09-21 89.2 3.03 $3.959 29.44 ""
2012-10-03 351.2 10.33 $3.979 34 ""
2012-10-10 227.4 6.85 $3.939 33.2 ""
2012-10-20 293.2 8.93 $3.969 32.83 ""
2012-10-25 285.6 9.86 $3.859 28.97 ""
2012-11-08 250.1 8.82 $3.519 28.36 ""
2012-11-15 269.4 9.15 $3.599 29.44 ""
2012-12-05 229.4 8.77 $3.249 26.16 ""
2012-12-20 227.3 8.56 $3.279 26.55 ""
2012-12-25 285.3 8.66 $3.279 32.94 ""
2013-01-11 232.6 8.68 $3.339 26.8 ""
2013-01-27 228.2 8.88 $3.359 25.7 ""
2013-02-07 287.2 9.64 $3.439 29.79 ""
2013-02-14 307.2 8.96 $3.459 34.29 ""
2013-02-26 237.9 8.57 $3.759 27.76 ""
2013-03-07 270.6 9.06 $3.739 29.87 ""
2013-03-28 259 8.76 $3.759 29.57 ""
2013-04-17 287.4 9.75 $3.679 29.48 ""
2013-04-24 42.9 2.03 $3.619 21.13 "Installed MPGuino. Accidentally grounded a fuel injector and dumped tons of fuel, which came out the tailpipe unburned. Then refueled so I can begin to calibrate."
2013-05-05 261 6.994 $3.639 37.32 "First tank with MPGuino and first tank w/o PS and AC."
2013-06-01 320.9 8.64 $3.979 37.14 "First tank without passenger mirror."
2013-07-09 359.4 9.951 $3.819 36.12 ""
2013-09-09 341.6 9.042 $3.559 37.78 ""
2013-10-01 359.4 9.978 $3.459 36.02 "Averaged 43mpg for the first 150 miles, but Avery ended up driving the car for half the tank."
2013-11-27 344.2 9.956 $3.239 34.57 "It's been so cold out lately. My poor MPGs."
2014-01-17 364.6 9.712 $3.239 37.54 ""
2014-03-24 280.2 9.168 $3.599 30.56 ""
2014-03-27 391.3 8.755 $3.659 44.69 "Best tank ever. Lots of pulse and glide and 45mph driving. Almost all highway."
2014-05-11 315.6 8.743 $3.819 36.1 ""
2014-06-17 326.9 8.103 $9.939 40.34 ""
2014-06-26 158.8 4.002 $3.999 39.68 ""
2014-07-01 152 3.881 $3.999 39.17 ""
2014-08-06 253.5 7.078 $3.799 35.82 ""
2014-08-10 50 2 25 ""
2014-08-12 44.3 1.58 $3.799 28.04 ""
2014-08-13 166.2 5.321 $3.759 31.23 ""
2014-08-29 205.7 5.369 $4.699 38.31 ""
2014-09-21 303.1 8.568 $3.599 35.38 ""
2014-11-12 338.3 9.081 $2.999 37.25 ""
2014-12-11 269.4 2.699 99.81 ""
2015-03-07 321.9 10 $2.899 32.19 ""
2015-03-30 129.2 4.202 $2.959 30.75 ""
2015-05-22 306 9.208 $3.059 33.23 ""
2015-05-25 370.5 8.939 $3.099 41.45 ""
2015-06-22 304.1 8.387 $3.039 36.26 ""
2015-07-08 308.1 8.355 $3.299 36.88 ""
2015-07-24 326.94 8.993 $3.239 36.35 ""
2015-08-06 302.7 8.356 $2.199 36.23 ""
2015-08-23 332.8 9.197 $3.059 36.19 ""
2015-09-14 340.2 9.12 $2.819 37.3 ""
2015-10-08 318.2 8.99 $2.219 35.39 ""
2015-10-26 167.9 4.995 $2.539 33.61 ""
2015-11-20 307.7 9.347 $2.359 32.92 ""
2015-12-21 306.9 9.242 $2.479 33.21 ""
2016-01-09 298 8.708 $2.499 34.22 ""
2016-01-22 300.9 8.92 $2.199 33.73 ""
2016-02-03 289.2 8.691 $2.279 33.28 ""
2016-02-15 303.5 8.633 $2.119 35.16 ""
2016-03-10 311.3 8.954 $1.999 34.77 ""
2016-03-22 320 9.114 $2.339 35.11 ""
2016-04-04 350.5 9.318 $2.339 37.62 ""
2016-04-18 365.5 9.789 $2.379 37.34 ""
2016-04-29 366 9.344 $2.519 39.17 ""
2016-05-08 383.6 10.312 $2.279 37.2 ""
2016-05-16 353 9.659 $2.499 36.55 ""
2016-05-31 328.8 9.095 $2.639 36.15 ""
2016-06-14 315.3 8.762 $2.659 35.98 ""
2016-06-30 348 9.533 $2.679 36.5 ""
2016-07-15 330.3 8.911 $2.659 37.07 ""
2016-07-24 349.6 8.938 $2.559 39.11 ""
2016-08-14 345 9.483 $2.499 36.38 ""
2016-08-30 338 8.847 $2.539 38.21 ""
2016-09-16 319.5 8.948 $2.459 35.71 ""
2016-09-28 314.4 9.172 $2.659 34.28 ""