Internet Resources

Diesel Retrofit Programs

Resources » Regulations » Retrofit Programs

Diesel Retrofit in Europe


Information on diesel retrofit programs in the European Union, including technology, news, and funding.
Switzerland: FOEN Particulate Filter List


List of filter systems and a list of engines that comply with the Ordinance on Air Pollution Control (OAPC) for construction machines.
USA: California: Diesel Risk Reduction Program

California ARB

Risk management activities following the identification of diesel particulates as a toxic air contaminant in California. Covers all California diesel retrofit programs.
USA: National Clean Diesel Campaign (NCDC)


Web site of the EPA’s clean diesel campaign, including heavy-duty diesel retrofit, funding assistance, verified technologies, news, and related information.
USA: Verified Technologies for SmartWay and Clean Diesel


Information on the EPA technology verification program and the list of verified technologies.