petroleum price information
Look Up Gas Stations Throughout the State - Worried about gas prices near you? Look up the average price for a specific city.
Unleaded Gasoline Prices - Average Detroit Metropolitan Area Self-Serve Prices: source the AAA Fuel Gauge
GasBuddy.com - Visual representation of average unleaded fuel prices by county.
AAA Fuel Gauge State Listing - Average gasoline prices for three grades of fuel and diesel indexed by state.
Annual Oil Market Chronology - Graph and explanation of oil prices by barrel since 1970.
Gasoline and diesel fuel - Energy Information Administration (EIA). Updated gasoline and diesel fuel information
Residential Prices - Statewide survey of home heating oil and propane prices
Residential Heating Oil Prices - Energy Information Administration (EIA). Prices are by region and state
Residential Propane Prices - Energy Information Administration (EIA). Prices are by region and state.
Oilnergy - Daily and historical graphs for energy and Dow Jones indices