EPA Confirms California Air Board's 2011 Regulations for Off-Road Engines Align with Federal Requirements

Summary

The Environmental Protection Agency has confirmed that California's 2011 regulations for small off-road engines, Tier 4 off-road compression-ignition engines, and exhaust emission certification test fuel for off-road spark-ignition engines are within the scope of previous EPA authorizations, aligning with recent federal amendments to certification and exhaust emission testing requirements.