For Hybrid Electric Vehicles (H.E.V) and Plug-in Hybrid Electric Vehicles (P.H.E.V) fitted with recent gasoline. Suitable for modern gasoline engines requiring a viscosity grade SAE 0W-20 lubricant or a “Fuel Economy” lubricant in viscosity grade 20: Standards API SP and/or ILSAC GF-6A. Compatible with catalytic converters. This type of oil may be unsuitable for use in some engines. Refer to the owner manual if in doubt.