EN 590 is a
European standard for automotive diesel fuel. It specifies the
quality requirements and performance criteria for diesel fuel
used in diesel engines. The standard aims to ensure that diesel
fuel meets certain specifications to maintain engine performance,
reduce emissions, and ensure compatibility with modern diesel
engines and emission control systems.
Cetane Number: A measure of the fuels ignition quality. EN 590 sets a minimum cetane number to ensure efficient combustion in diesel engines.
Sulfur Content: Limits the amount of sulfur in diesel fuel to reduce sulfur dioxide emissions and minimize environmental impact. EN 590 sets maximum allowable sulfur content.
Biodiesel Content: Specifies allowable levels of biodiesel blends. EN 590 often includes stipulations for the inclusion of biofuels within certain limits.
Cold Flow Properties: Defines parameters like the cloud point and pour point, which influence the fuels performance in cold weather conditions.
Density: Sets limits on the fuels density, which affects energy content and combustion efficiency.
Viscosity: Specifies the acceptable range of fuel viscosity to ensure proper atomization and engine performance.
Additives: Covers the types and quantities of additives that may be included in the fuel to improve performance, stability, and engine protection.
Flash Point: The minimum temperature at which the fuel can ignite. EN 590 sets a minimum flash point to ensure safety during handling and storage.
Water Content: Limits the amount of water in diesel fuel to prevent engine damage and maintain fuel quality.
Glycol Content: Restrictions on the presence of glycol to ensure fuel quality and engine performance.
Environmental Regulations: Compliance with regulations aimed at reducing emissions and minimizing environmental impact.
EN 590 helps standardize diesel fuel quality across Europe, ensuring compatibility and performance while supporting environmental objectives.
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