EPA Laboratory Evaluation of PetroMoly HP Motor Oil

摘要

The report describes EPA laboratory fuel economy and exhaust emission testing of211u001ePetroMoly HP 5W-30 motor oil (hereafter, PetroMoly) at EPA's National Vehicle and 211u001eFuel Emissions Laboratory (NVFEL) in Ann Arbor, Michigan. PetroMoly, a product of 211u001eWorldwide PetroMoly Corporation, is described in their Product Data Sheet as a 211u001ehigh performance oil which, when used as a replacement for a conventional motor 211u001eoil, offers 'Increased fuel economy up to 10%' and 'Reduced toxic emissions up to 211u001e60%' in addition to other claimed benefits. EPA's Vehicle Programs and Compliance 211u001eDivision (VPCD) agreed to test PetroMoly on one vehicle because evidence from 211u001eindependent laboratory testing conducted on two vehicles exhibited a 211u001estatistically significant improvement in fuel economy of four to five percent in 211u001ecity driving and two to three percent in highway driving. The conclusions drawn 211u001efrom EPA evaluation tests are necessarily of limited applicability. An all 211u001eencompassing evaluation of the effectiveness of a product in achieving 211u001eperformance improvements on the many types of vehicles that are in actual use 211u001ewould require a large sample of test vehicles.