On July 14, 2026, a coalition of public health groups, pediatricians, and parents filed a federal lawsuit in the U.S. District Court for the District of Maryland challenging an FDA enforcement policy issued in May 2026. The policy allows e-cigarettes and nicotine pouches to be marketed and sold without the scientific review and marketing authorization required by federal law.

A group of industry organizations sued Montgomery County, MD over the county’s “Comprehensive Building Decarbonization” law, also known as Bill 13-22. This law requires the County Executive to issue new building standards eliminating fuel combustion from many new buildings.

Trade groups for landlords, hotels, and developers sued the City and County of Denver and the State of Colorado, arguing that state and local rules to reduce building energy use and emissions are preempted by the federal Energy Policy and Conservation Act (EPCA).

A coalition of propane, gas, construction, and landlord trade and labor groups has sued the Village of Oak Park, IL. The industry groups argue that ordinances updating the village’s energy code are preempted by the federal Energy Policy and Conservation Act (“EPCA”). Their argument is based on the inclusion of electrification requirements for certain new buildings in the village ordinances.

Trade associations representing restaurants, home builders, hotels, apartments, and propane sued the City and County of Denver over its building codes, arguing that they are preempted by the federal Energy Policy and Conservation Act (“EPCA”).

Trade associations representing home builders, manufacturers, hotels, apartments, and restaurants, as well as the pipefitters trade union, sued the South Coast Air Quality Management District (“SCAQMD”) in California, arguing that its newly adopted zero-emission nitrogen oxide (“NOx") standard for water heaters is preempted by the federal Energy Policy and Conservation Act (“EPCA”).

A collection of home builders, gas utilities, and building trade unions sued the Washington State Building Code Council (“WSBCC”) over its new building codes, arguing that they violate the federal Energy Policy and Conservation Act (EPCA).

The City of Fresno filed suit against Philip Morris and other major tobacco manufacturers to hold them accountable for cigarette litter, with charges including public nuisance, trespass, negligence, and violation of state law.

The County of Sacramento filed suit against Philip Morris and other major tobacco manufacturers to hold them accountable for cigarette litter, with charges including public nuisance, trespass, negligence, and violation of state law.

The city of Albuquerque filed suit against Philip Morris and other major tobacco manufacturers to hold them accountable for cigarette litter, with charges including public nuisance, trespass, and negligence.