2016-04-06 181 7.791 $2.539 23.23 "Estimated full tank start from dealership. Starting mileage of 150 on the Odometer. Very mixed driving, some hard pulls and some lightly varying cruise speeds. (93 Octane) for now until ~1000 miles. Then 89 or 87 octane tests will begin."
2016-04-09 268.2 10.483 $2.359 25.58 "Break in period, heavy pulls and varying speeds. Stop and go highway mix. (93 Octane)"
2016-04-15 345 11.153 $2.199 30.93 "(87 Octane) for foreseeable future now that the car is more broken in. Also oil change at 1123 odo.

Edit: To clarify, this tank's performance was with 93 Octane. The refueling was 87."
2016-04-21 313.6 9.61 $2.189 32.63 "(87 Octane) First attempt at hypermiling. Difficult to stay out of boost(for fun and load reasons)"
2016-04-24 144.6 5.343 $2.159 27.06 "(87 Octane) Stop and go traffic for half an hour after 3 work/home trips. Cut the tank short to nip the poor economy numbers from a true hypermiling test."
2016-04-29 344.3 10.181 $2.239 33.82 "(87 Octane) Approaching a pure test to/from work. ~75/25 highway/city."
2016-05-12 387.6 11.709 $2.359 33.1 "(87 Octane) Car was in the shop for a few days getting bumper repaired, eco lost there. Otherwise all to/from work. 87 octane testing may continue as the instantaneous economy appears to be trending up based on trip recordings. It could also just be the weather."
2016-05-18 361.6 10.606 $2.559 34.09 "(93 Octane filled) 87 Octane used for this tank."
2016-05-24 362.5 10.745 $2.619 33.74 "(93 Octane Fill) First 93 Octane tank used since first 1000 miles."
2016-06-02 407.9 11.759 $2.619 34.69 "(93 Octane)"
2016-06-09 377.4 11.641 $2.619 32.42 "(93 Octane) There has been a little more spirited driving with the nicer weather the past couple tanks."
2016-06-13 302.7 9.272 $2.399 32.65 "(87 Octane) Switched back to 87 to see the effect on economy, none expected."
2016-06-22 381.1 11.134 $2.619 34.23 "(93 Octane Fill) Pre-fill for AutoX. Mostly highway driving."
2016-06-28 334.1 10.145 $2.619 32.93 "(93 Octane fill) Post auto-x fill. ~10 miles of hard driving and all other miles typical to/from work highway."
2016-07-06 396.9 11.313 $2.359 35.08 "(87 Octane fill) 93 Octane run rank, BTD tank."
2016-07-19 507.1 14.794 $2.419 34.28 "(87 Octane fill) 3.982 gallons of 93 Octane in a partial fill pre-autox. Estimated 140 miles of just the 93 Octane fill. Numbers above are totalized and price is average price for the gallons filled of each."
2016-07-25 307.7 9.897 $2.539 31.09 "(93 Octane fill) Some spirited driving and normal to/from work."
2016-08-02 349.8 11.357 $2.499 30.8 "(93 Oct)"
2016-08-10 364.3 10.998 $2.499 33.12 "(93 Oct)"
2016-08-15 350 11.401 $2.519 30.7 "(93 Oct)"
2016-08-22 318.2 10.359 $2.499 30.72 "(93 Oct)"
2016-08-28 426.4 13.375 $2.499 31.88 "(93 Octane) Two tanks, one short (4 gallons)."
2016-09-05 342.7 11.604 $2.499 29.53 "(93 Octane)"
2016-09-10 303.8 9.299 $2.429 32.67 "(93 Octane)"
2016-09-18 352.9 11.347 $2.429 31.1 "(93 Octane)"
2016-09-26 408.6 12.187 $2.429 33.53 "(93 Octane)"
2016-10-03 344.7 10.631 $2.429 32.42 "(93 Octane)"