Sites Ed and I frequent are listed below. These sites have an abundant amount of information and are incredibly useful.
Oil/Gasoline News
Oil and Gasoline News from MarketWatch | Yahoo Oil and Gas Industry News
Oil/Gasoline Related Blogs
Speaking of Oil with Tom Kloza | TheOilDrum
Oil/Gasoline Related Data/Publications
Energy Information Administration | AXXIS Petroleum- Price Services | This Week in Gasoline
Oil/Gasoline Infrastructure
List of U.S. Oil Refineries, Capacity and Location | U.S. Refinery Expansion Plans/Updates | Michigan Gasoline/Product Pipeline
Oil/Gasoline Pricing
Bloomberg.com: Energy Prices | Flying J United States Fuel Prices | Pilot Travel Centers | Speedway Gas Prices | Map of Gas Prices Nationwide | NYMEX Price of Oil and Gas
Other Resources that Effect Pricing
NHC Tropical Development and Hurricane Tracking
Other
What the State of Michigan says about Gas Prices | WSJ Article on gas station owners speculating in the gas and oil futures market | April 2005 article in Wired about Hybrid cars like the Prius | Efforts by State of Michigan to Protect Gasoline Purchasers | Top 11 Reasons Why High Gas Prices Are Good
Gas station chains
Schmuckal Oil, NNW Lower Michigan | Wesco, W Lower Michigan | Atlas Oil, Indiana, a few in Michigan and Kentucky | RMarts, Chicago