2009 Clean Air Act Fossil Fuels 
Law Columbia
MAY 22, 2025
On March 12, Environmental Protection Agency (EPA) Administrator Lee Zeldin announced plans to reconsider EPAs 2009 endangerment finding for greenhouse gas (GHG) emissions, along with all regulations and actions that rely on the finding. EPA , that required EPA to make a science-based determination on the effects of GHG emissions.
Law Columbia
JANUARY 24, 2025
The language is likely meant to refer to EPAs vehicle greenhouse gas emissions standards and the National Highway Traffic Safety Administrations (NHTSA) Corporate Average Fuel Economy (CAFE) standards , both of which to varying extents push automakers to include more EVs in their fleets. A regulatory shift away from EVs will take time.
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Union of Concerned Scientists
FEBRUARY 18, 2025
Among the many attacks in President Trumps Day 1 Executive Order on unleashing American (fossil) energy , is a directive to EPA administrator Zeldin to reevaluate the agencys bedrock 2009 scientific determination of the harms caused by heat-trapping emissions and submit recommendations within 30 days (i.e. this week).
Law Columbia
OCTOBER 18, 2024
Several states and industry groups are challenging EPA’s 2024 rules which set greenhouse gas emissions limits for certain fossil fuel power plants nationwide (referred to here as the Power Plant Rules). EPA’s 2024 Power Plant Rules EPA is required to regulate power plant emissions under Section 111 of the Clean Air Act.
Union of Concerned Scientists
MARCH 6, 2025
Also last week, the news broke that Zeldin is urging the White House to strike down the 2009 EPA finding that global warming gases endanger public health and the environment. Many other states in recent years have decided they would follow Californias standards, as they are allowed to under the Clean Air Act.
Law Columbia
APRIL 29, 2025
The lawsuit, brought by railroad industry groups, had been held in abeyance since September 30, 2024, awaiting a determination by EPA on which portions of the regulation would require EPA authorization under the Clean Air Act and whether to grant such authorization. Department of the Interior on April 23, 2025.
Scientific American
JUNE 12, 2025
” The repeals, he said, would save fossil fuel generation and advance President Donald Trumps "energy dominance" agenda. ” Jeff Holmstead, who served as EPA air chief during the George W. “That was the intended consequences.” Here’s a look at EPA’s legal arguments and their possible pitfalls.
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