EPA Transportation Chief Promises ‘In-Use’ Focus For Truck NOx Standard

The head of EPA’s transportation office is promising a “laser” focus on “in-use” reductions in nitrogen oxides (NOx) from heavy-duty trucks when the agency develops new standards for the sector next year, suggesting the rule will focus less on new vehicle design standards and more on how vehicles actually perform in practice. Speaking April 2 at a meeting of EPA policy advisers in Arlington, VA, Office of Transportation and Air Quality chief Chris Grundler said “we are focusing like a...