2008-06-26 119 4.007 29.7 "After two weeks of adjusted driving techniques, tires @ 40 PSI, techno music --> Harry Potter books on tape."
2008-07-02 59 1.605 36.76 "Much more extensive use of cruise control, slower on hills if no traffic following. Removed rear spoiler. Less pressured by tailgaters. At 37.4 MPG (goal) and gas at $4.00, I save $1000/year."
2008-07-06 92.8 3.995 23.23 ""
2008-07-07 61 1.884 32.38 ""
2008-07-09 136.2 4.946 27.54 ""
2008-07-11 111.9 3.75 29.84 ""
2008-07-14 76.8 3.002 25.58 "Tires now at 44 psi. Mileage lower because, well, GF was in the car and I didn't want to drive like a dork. "
2008-07-18 99.7 2.876 34.67 "May or may not have been drafting a truck or two."
2008-07-21 171.7 4.138 $3.91 41.49 "This mileage seems a little too high--the pump that I use at a King Soopers gas station isn't very consistent. I figure it'll average out over time, since I always use the same pump."
2008-07-23 95.8 3.312 $3.889 28.93 ""
2008-07-25 149.9 4.844 $3.85 30.95 ""
2008-07-28 182.1 6.341 $3.85 28.72 "Getting 30 mpg with gas @ $3.85, I save ~ $725/year."
2008-07-29 70.4 2.261 $3.88 31.14 "Engine off and neutral coast up to 3 long lights. Working on going over hills slower."
2008-07-30 67 2.16 $3.87 31.02 "Turned off engine for long and medium lights, approximately 8 times. Coasted up to several reds with engine off."
2008-08-01 133 4.586 $3.83 29 "Some driving down hillls with engine off, but can't bear to go without the AC, which is currently ~78 F."
2008-08-04 106.4 3.629 $3.81 29.32 "Made a good 1 mile stretch with engine off. A little rain for 25% of the drive."
2008-08-07 244 8.051 $3.81 30.31 "Got honked at for the first time today for my slow driving (by a pickup truck, of course). Was experimenting with a cardboard air dam, but rainstorm killed the cardboard and screwed with rolling resistance. Next prototype will be coroplast."
2008-08-08 72.9 2.268 $3.81 32.14 ""
2008-08-12 141.4 4.789 $3.77 29.53 ""
2008-08-17 297.7 10.74 $3.74 27.72 "A lot of rain, so fuel economy is low."
2008-08-20 192.9 6.943 $3.71 27.78 "Not really sure why I've been getting lower MPG. I think it's because I haven't been paying close enough attention to acceleration and speed."
2008-08-25 215 7.44 $3.67 28.9 "Fuel economy is slightly worse from the extra fall traffic caused by students in the college town where I work."
2008-08-28 187.9 6.381 $3.58 29.45 ""
2008-08-29 75 2.995 $3.64 25.04 "This value is bogus. I did more engine-off coasting on this tank than just about any other. Still, these are the values the pump and odometer displayed..."
2008-09-07 417.6 13.69 $3.52 30.5 "Experimenting with waiting longer between fill-ups to see whether there's a fuel efficiency improvement from driving with less average fuel weight.

Changed over to synthetic oil (Mobil 1)."
2008-09-07 174.7 5.129 $3.57 34.06 "Value is much higher than I expected, especially since a good amount of this was mountain driving. Also, I wasn't nearly as good as usual about driving speed limit, as GF was in car. High value is therefore due to random gas pump performance, increased efficiency from new synthetic oil, better performance during mountain driving, or better efficiency from staying with traffic at slightly higher speed. Future tanks will tell."
2008-09-16 471.3 14.99 $3.59 31.44 "Experimenting with using the whole tank for fuel weight efficiency. Goal is 500 miles/tank."
2008-09-29 475.3 15.53 $3.55 30.61 "Fuel tank capacity seems to be 17.1 gallons. I'm surprised that I didn't see the fuel light come on, but it does mean I could go about 45 more miles (520 total) if so inclined. I see myself driving around with a gas can in the car..."
2008-10-07 458 15.28 $3.25 29.97 ""
2008-10-17 439.4 15.52 $3.2 28.31 "Full synthetic ATF halfway through this tank. A painfully long traffic jam throws off the mileage, though."
2008-10-22 291.2 10.62 $2.9 27.42 "This trip is post-synthetic ATM fluid. I also refilled the tires."