This SAE Recommended Practice defines conditions for evaluating the compatibility of vehicle fuel tanks and filler pipes with fuel dispensing facilities equipped with standard (non-vapor recovery) configuration as well as vapor recovery type nozzles. It applies to passenger cars, multipurpose passenger vehicles, and light-duty trucks 4536 kg (10,000 lb) maximum GVW. It includes a technique for filling a tank full that can be used to establish a reference condition for other tests which require starting with a full tank.
This document was developed to refine the procedure used to define rated capacity of a fuel tank. In addition, many other fuel tank quantities that are in common use but had no previous formal definition are now included in this document. These standardized definitions apply to emissions testing, OBD considerations as well as Customer Informatin related to Advertised Capacity. This level of definition has not been available to the industry prior to this.