Oil History
www.oilhistory.com
The history of oil, like that of other large industries, is fascinating and evolutionary. Happenings, events and inventions can occur suddenly putting the driller, refiner or carrier miles down the road almost overnight.

Energy Information Administration
www.eia.doe.gov
This is probably the most comprehensive source of energy statistics on the Internet. Along with hundreds of Web links, it offers easily accessible information about everything from end-use consumption to analysis of energy consumption and resources in most countries of the world. The site also includes a lively section for kids about energy production and consumption.
 
Society of Petroleum Engineers
www.spe.org
Although this site is primarily for professionals, it has very good material for general readers about the exploration and production aspects of the oil and natural gas industry. Links include state and national geological agencies and organizations that focus on sustainable development and environmental issues.

Energy Efficiency and Renewable Energy Portal
www.eere.energy.gov
An informative site from the U.S. Department of Energy, this is a great place for information about currently available alternatives to conventional energy sources and technologies under development.  Resources for energy-conscious consumers cover everything from guidance in buying windows to installing a solar pool heater.
 
Oil Market Basics
www.eia.doe.gov/pub/oil_gas/petroleum/analysis_publications/oil_market_basics/intro.htm
If you've ever wondered what a spot price is and why it matters, this is the place to start reading. In clear language the text explains supply, trade, and pricing in the global oil market. It's full of links to help you navigate within the document and to outside resources.