Last August, the U.S. Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) finalized the more stringent “Phase 2” greenhouse gas (GHG) emission standards and fuel efficiency...more
Through its Proposed Determination, EPA has concluded that the model year 2022-2025 GHG standards should remain as promulgated, despite automotive industry evidence demonstrating the need for less stringent standards. ...more
On November 3, the California Air Resources Board (CARB) announced plans for a new low-nitrogen oxide (NOx) standard for heavy-duty engines sold in the state. CARB intends to adopt the new NOx standard—of 0.02 grams per...more
Yesterday, the U.S. Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) finalized more stringent greenhouse gas (GHG) emission standards and fuel efficiency standards for...more
The timeline for federal NOx emission reductions for medium and heavy-duty trucks is uncertain, but expected in California in 2017. The California Air Resources Board (CARB) is expected to issue a NOx standard in 2017 that...more