Control of Air Pollution From New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards

EPA finalizes stricter emission standards for heavy-duty engines and vehicles to reduce air pollution; not directly relevant to semiconductor supply chain materials or exports.

Primary source: https://www.federalregister.gov/documents/2023/01/24/2022-27957/control-of-air-pollution-from-new-motor-vehicles-heavy-duty-engine-and-vehicle-standards