Allison's practice focuses on environmental and administrative law, with an emphasis on air issues, including global climate change, emissions trading, and the establishment and implementation of national ambient air quality standards. She has extensive experience in appellate and district court litigation, agency rulemakings, compliance advice, and legislative representation. Her representative clients include companies and trade associations in the electric generation industry, petroleum industry, manufacturing industries, and transportation and land development industries.
Allison is admitted to practice before the US Supreme Court; the US Courts of Appeals for the Second, Third, Fourth, Fifth, Ninth, Tenth, and DC Circuits; the US District Court for the District of Columbia; and the US District Court for the Eastern District of Virginia.