The Citgo CITGARD 700 Synthetic Blend Engine Oils deliver the performance needed for newer engine designs while improving performance in older engines. Engineered with a proprietary additive technology that protects engines running at higher operating temperatures and fuel injection pressures, while meeting tighter wear limits and lower emission requirements. The SAE 10W-30 viscosity grade assists in attaining the new Phase II fuel efficiency standards by improving fuel economy, increasing cold start up lubrication, and providing superior engine durability.