Regulation & law · 09/11/2009Updated: 10/17/2026 · 1 min read
EPA Approves New Scheduled Maintenance for Selective Catalyst Reduction Technologies in Diesel Vehicles
Summary
The Environmental Protection Agency (EPA) has granted certain manufacturers new and limited variations in emission-related maintenance intervals for Selective Catalyst Reduction (SCR) technologies used in diesel vehicles, allowing for more frequent replenishment of the nitrogen-containing reducing agent
Original source language: Federal Register — All DocumentsOpen original release →