34.11 MPG

454.8mi, 13.332 gal @ $3.199 = 34.11 MPG

135,939 total miles. Valero on Blossom Hill.

31.14 MPG

353.5mi, 11.352 gal @ $3.159 = 31.14 MPG

135,484 total miles. Mobil on Kooser at Blossom Hill.

Inflated Tires. Again.

135,456 total miles.

Got the low tire pressure indicator again, left rear tire pressure was back down to 29 PSI.

FRONT
38   36

29   36

I inflated all to 38 PSI. Last time it lasted about six weeks, 1000 miles. These tires were purchased four and a half years ago at 85k miles and were rated for 65k:
http://hybridescape.blogspot.com/2013/03/new-tires.html

I poked my head under the tire and believe I found the problem:

33.31 MPG

430.3mi, 12.919 gal @ $2.817 = 33.31 MPG

135,130 total miles. Mobil on Kooser at Blossom Hill.

31.41 MPG

405.5mi, 12.908 gal @ $3.099 = 31.41 MPG

134,700 total miles. Shell on Sequel Ave in Santa Cruz.

Inflated Tires.

134,340 total miles.

The low tire pressure indicator came on this morning, and I think it's the first time I've ever seen it. Left rear tire pressure had fallen to 29 PSI.

FRONT
35   35

29   35

I inflated all to 40 PSI. All reading were somewhat warm, as the car had recently been driven.

30.81 MPG

394.2mi, 12.796 gal @ $3.159 = 30.81 MPG

134,294 total miles. 76 on Union at Curtner.