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The quality of engine oil plays a significant role in the level of harmful gases released by your car. While many drivers focus on oil changes for engine longevity and power output, many overlook that the type and condition of oil directly affect pollutant release.

High quality engine oil is designed to lower internal drag, regulate thermal efficiency, and stop contaminants from accumulating. When an engine runs with optimal lubrication, it achieves better combustion efficiency. This leads to reduced CO, NOx, اتوسرویس داوود and HC emissions being emitted into the air.

Substandard or broken-down lubricant, on the other hand, can promote premature mechanical damage and thick, sticky residue buildup. Deposit buildup interferes with key systems like valve mechanisms and ring seals, which compromises the burn cycle. When combustion is incomplete, more unburned fuel escapes through the exhaust, worsening air quality. Additionally, old or low quality oil can lose stability at elevated temperatures, generating hard carbon buildups that interfere with the function of emission control systems such as the catalytic converter. A damaged or blocked catalyst cannot properly convert harmful gases into harmless byproducts.

Contemporary vehicle designs are designed to work with specific viscosity grades and synthetic formulations. Using oil that falls short of OEM standards can undermine system accuracy. Advanced synthetic blends, for example, offer exceptional heat resistance and chemical durability, which reduces deposit formation between changes. They also demonstrate superior cold-start viscosity, ensuring immediate lubrication at startup.

Consistent maintenance using premium lubricant are among the most effective methods to minimize your car’s carbon footprint. It is not just about keeping the engine running—it is about upholding the integrity of your vehicle’s environmental safeguards. Those who choose the right lubricant are not only increasing long-term reliability but also contributing to cleaner air. Using proper-grade synthetics and timely replacements is a small action with a big effect on emissions.