EPA Administrator Zeldin vows to remove DEF system mandates

Key facts

• EPA Administrator Lee Zeldin vowed to remove federal mandates on Diesel Exhaust Fluid (DEF) systems.
• Zeldin addressed producers facing tight margins and regulatory bottlenecks.

Diesel Exhaust Fluid (DEF) is a crucial component in modern diesel engines, used to reduce emissions. When the DEF system malfunctions, it can trigger engine derating or complete shutdown, particularly problematic during critical agricultural periods like harvest. This issue has been a long-standing problem for farmers.