Olson-EcoLogic is the premier independent emission testing laboratory in California. Our test facility and personnel are equipped to address a variety of engineering and administrative needs. The approved lab facility complies with strictly controlled environmental standards and Code of Federal Regulations (CFR) test requirements as required by CARB and EPA. Our emission testing capability includes use of standard and alternative fuels, including gasoline, diesel, biodiesel, CNG, LNG, Propane, H2 and dual fuels. All official testing follows CARB and Federal Test Procedures (FTP). Research and development testing can be conducted as well per client request. Many of the largest DPF suppliers in the world have used our California laboratory for CARB testing requirements and ultimate verification approval to market their products for engine retrofits to reduce emissions and improve fuel economy.