Current Environmental Protection Agency (EPA) Administrator Lee Zeldin proposed a rule today to rescind 2009 rules that form the basis of greenhouse gas (GHG) emissions limitations, a move that will almost certainly lead to...more
A group of 24 Republican AGs have filed a brief challenging the EPA’s Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles—Phase 3 final rule (Final Rule), which sets standards to reduce greenhouse gas emissions from...more
The U.S. Environmental Protection Agency ("EPA") finalized the strictest-ever emission standards for heavy-duty vehicles. On March 29, 2024, EPA announced new emission standards for heavy-duty vehicles for model years 2027...more
A group of 18 Democratic AGs sent a comment letter in support of the EPA’s proposed Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles, commending the EPA for strengthening greenhouse gas emissions standards for...more
Following its final rule for light-duty vehicles issued at the end of 2021, this past spring, the U.S. Environmental Protection Agency (“U.S. EPA”) proposed new emission standards for heavy-duty highway vehicles and engines. ...more
On August 18, 2015, the U.S. Environmental Protection Agency (EPA) released the first-ever proposal aimed at regulating methane emissions, as well as volatile organic compounds (VOC), from the oil and gas industry. EPA is...more