Semi-synthetic engine oil ROLF Energy 10W-40 SL/CF for gasoline and diesel engines of passenger cars, including those with turbocharging and intercoolers. High-quality base components and a modern additive package provide reliable lubrication and engine protection and high performance oil properties at extended drain intervals. Prevents sludge formation, has high oxidation stability and low volatility. Provides fuel economy by reducing friction losses. Approvals and conformity ACEA A3/B3, ACEA A3/B4, MB 229.1