Diesel Equipment Regulations

Stationary, Portable and Mobile Diesel-Fueled Equipment

No stationary diesel-fueled equipment rated at or greater than 50 horsepower is allowed to operate in El Dorado County without a valid Permit to Operate (PTO) issued by the AQMD. New equipment must apply for Authority of Construct prior to the PTO issuance. 

State Diesel Programs   
Activities by Air Resources Board to reduce emissions from new and existing on-road, off-road stationary and portable diesel-fueled engines.

Diesel PERP Registration   (Public Outreach to Notify of Increased PERP Enforcement)
Information on (1) registration requirements for portable equipment and the regulations governing the portable equipment registration program (PERP) and (2) the AQMD enforcement of PERP compliance.


Thank you for working with us to improve air quality!