Application??This SAE Recommended Practice applies to all commercial@ self-propelled motor vehicles which transport property or passengers when: GROSS WEIGHT??The vehicle has a gross weight rating of more than 4540 kg (10 000 lb). FUEL??The fuel used has a boiling point above 0 ??(32 ?? at normal atmospheric pressure. Rationale??This document has been reaffirmed to comply with the SAE 5-Year Review policy.