The Tenth Circuit vacated EPA orders that granted extensions of exemptions under the CAA's renewable fuels program for three small refineries. Industry groups challenged the orders, arguing that EPA failed to honor the statutory requirement of an "extension" by confusing an extension of an exemption...

The Pennsylvania Supreme Court vacated a lower court ruling that found an energy developer trespassed on neighboring landowners' property by extracting natural gas from their property by way of hydraulic fracturing without permission. The developer argued that the extraction did not amount to trespa...

The Fourth Circuit vacated the Virginia Air Pollution Control Board's approval of a permit for construction of a compressor station associated with a natural gas pipeline in an historically African-American community. Environmental groups argued that the Board erred in failing to make any findings r...