Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and Other Technical Amendments

EPA amended test procedures for heavy-duty engines and vehicles to improve accuracy and reduce testing burden, with no significant environmental or economic impacts relevant to semiconductor supply chain.

Primary source: https://www.federalregister.gov/documents/2021/06/29/2021-05306/improvements-for-heavy-duty-engine-and-vehicle-test-procedures-and-other-technical-amendments