Eurol Petrol E10 Improver is an additive designed specifically for the market of ethanol fuels (in presence of up to 10% volume ethanol fuel content). Eurol Petrol E10 Improver is formulated to prevent the side effects of higher ethanol content like oxidation, fuel system rust, corrosion because ethanol fuel is corrosive, fuel/water phase separation because fuel with a small amount of ethanol such as E10 can absorb up to 40% more water from atmosphere than gasoline. Eurol Petrol E10 Improver is also developed to clean injectors, valve seat and combustion chambers resulting in enhanced fuel economy, improved power and acceleration and reduced emissions. Eurol Petrol E10 Improver shows improved vehicle performance under engine cold start. The 250ml bottle of Eurol Petrol E10 Improver is recommended for use in 250L of fuel, let the run through the fuel system and drive normally. Add the Eurol Petrol E10 Improver to the fuel tank before refueling with E10. Eurol Petrol E10 Improver is also recommended by the marine vehicles (boats). Users should consult the Material Safety Data Sheet of Eurol Petrol E10 Improver for information about storage and shelf life. Please ask Eurol Research & Development if any further information is required.