Patriot News: State study will map the potential of the shale formations that stretch from Philadelphia to mid-state.
The Commercial Appeal: Automakers plan to release four new natural gas powered truck engines over the next three years. And 150 truck stops could have natural gas refueling stations by the end of 2013.
New York Times: Harnessing wave energy off the Oregon Coast.
Bloomberg: The Czech Republic may create a temporary moratorium on shale gas drilling.