Detailed Reports Online from the General Accounting Office

The U.S. General Accounting Office publishes detailed reports on issues via its Reports and Testimonies page. Browse by date, topic, or agency and the past week's reports and testimonies. Topics include budget and spending, education, energy, natural resources, tax policy, etc.

An example of a recent report:
Coal Power Plants: Opportunities Exist for DOE to Provide Better Information on the Maturity of Key Technologies to Reduce Carbon Dioxide Emissions
GAO-10-675 June 16, 2010