California leads lawsuit against Trump fuel efficiency standards rollback | Automotive Industry News
Lawsuit alleges NHTSA contravenes its congressional mandate to set fuel-economy standards at ‘maximum feasible’ . Published On 2 Oct 20262 Oct 2026 Twenty-six states, including California and New York, have filed a lawsuit against United States President Donald Trump’s administration after the US Department of Transportation lowered fuel economy standards for petrol-powered vehicles. The lawsuit,











