Hi all...
I received this from a friend at work and wanted to share, it fits perfectly with this post..(even though gas seems to be coming down a bit now)
TIPS ON PUMPING GAS
It's a letter that came from a lady who works at Kinder Morgan Popeline in San Jose, CA
She suggests:
1. Only buy or fill up your car early in the morning when the ground temp is still cold. With the storage tanks below ground, the colder the ground, the more dense the gasoline. This is the "specific gravity" of the fuel. If you buy a gallon of gas in the afternoon when the ground is warmer, the gasoline has expanded, so a gallon really isn't quite a gallon.
2. When filling up, don't squeeze the trigger to fast mode, instead pump at low speed. This minimizes the vapors produced with pumping, and the gas you pump into your tank will remain gas, not turn into vapor, where is is resorbed back into the hose. You will actually get more worth for you money.
3. Fill up when your tank is half full. Gasoline evaporates very fast, even the storage tanks have floating roofs internally to minimize the air clearance and decrease evaporation. The more gas in your tank, the less air occupying the space, and the less evaporation.
4. If there is a gasoline truck pumping into the storage tanks at the gas station, don't fill up. The gasoline is being stirred up and you might pick up sediment from the bottom.
I found this interesting and sesible. Hope it helps. In these times, every penny counts!!

Keli