An article on the Bloomberg.com website explores how the United States is starting to approach energy self-sufficiency with rising oil output, developing shale gas fields and growth in renewable sources.
More at Bloomberg.com.Geothermal
Deep Well Injection and Earthquakes in a Geothermal Field
An article on the Oregon Public Broadcasting website describes the proposed use of fluid injection as part of an enhanced geothermal system that will utilize wells drilled on the flank of Newberry Crater. The U.S. Department of Energy is putting $22 million into the project. USGS has a recently installed seismic array that will monitor earthquakes produced by the injection.
Related: A Department of Energy introduction to enhanced geothermal systems [1].
[1] http://www1.eere.energy.gov/geothermal/egs_animation.html
More at Oregon Public Broadcasting.
Sources of Energy in the United States
The Energy Information Administration has an article that explores the sources of primary energy in the United States. Primary energy includes petroleum, natural gas, coal, nuclear fuel, and renewable energy.
More at Energy Information Administration.
US Energy Imports Fall Sharply
Data from the Energy Information Administration show that net imports of energy into the United States has fallen sharply in the past year. Some of this decline can be attributed to new sources of unconventional oil and gas along with renewable energy…
More at Energy Information Administration.
