This SAE Recommended Practice applies to the reporting of laboratory and test site data from the gaseous and evaporative emission tests of in-use light duty trucks and passenger vehicles. This document describes the reporting of procedures, fuel specifications, and vehicle information necessary to compare the results of in-use tests. Any variations in vehicles, instrumentation, test equipment, or test program purpose should be adequately described.
This document is intended as a guide for the reporting of gaseous and evaporative emissions from in-use light-duty trucks and passenger vehicles. This guide is intended to be used as an aid in establishing new databases. It should not be inferred that existing databases be reconfigured to meet the recommendations contained herein.