Core Viewpoint - The U.S. Environmental Protection Agency (EPA) proposed to revoke a 2009 scientific finding that greenhouse gas emissions pose a threat to public health and welfare, which is a crucial legal basis for regulating emissions and promoting electric vehicle development [1][2] Group 1: Proposal Details - The proposal was announced by EPA Administrator Lee Zeldin at a car dealership in Indiana [1] - The 2009 finding has resulted in over $1 trillion in regulatory costs, and its revocation could save approximately $54 billion annually [1] - If the proposal is approved, it would eliminate all greenhouse gas emission standards for vehicles and their engines, restoring consumer choice and reducing transportation costs [1] Group 2: Implications and Reactions - Zeldin stated that the proposal aims to end 16 years of policy uncertainty for U.S. automakers and consumers [1] - Critics, including environmental organizations and some lawmakers, argue that revoking the finding would remove existing restrictions on emissions from cars, factories, and power plants, weakening the federal government's ability to address climate change [2]