Originally Posted by etcetera

There are a couple of companies that make aftermarket tanks, but I haven't found one that's smog legal in California on a gasoline vehicle.

We lucked out in this area. Unocal is HQ'ed a couple miles away, and Chevron's HQ used to be down the street. I believe that's why it's $.10 to $.20 lower per gallon than many of the surrounding cities.

When driving cross country I've noticed an increase in mileage and power on the first tank outside California.

Eric