100% Synthetic "Fuel Economy" engine oil specially designed for Hybrid Electric Vehicles (H.E.V) and Plug-in Hybrid Electric Vehicles (P.H.E.V) fitted with recent gasoline engines, turbocharged or naturally aspirated, direct or indirect injection, designed to use SAE 0W-8 oil with very low friction and very low HTHS (High Temperature High Shear) viscosity (≥ 1.7 mPa.s). Suitable also for battery electric vehicles (B.E.V) fitted with thermal gasoline engine used as Range Extender. Suitable for modern gasoline engines requiring a viscosity grade SAE 0W-8 lubricant or a “Fuel Economy” lubricant in viscosity grade 8. Compatible with catalytic converters. This type of oil may be unsuitable for use in some engines. Refer to the owner manual if in doubt.