The ACEA 2022 update introduces two new engine oil categories, ACEA E8 and ACEA E11, which replace the previous ACEA E6 and ACEA E9 categories. This update marks a significant advancement in performance levels, ensuring that heavy-duty engine lubricants used in service meet the evolving requirements of advanced engine and exhaust emissions system technologies.

Key Updates:

• ACEA E8: This new category emphasizes enhanced piston cleanliness, addressing the need for improved performance in this area.
• ACEA E11: This category focuses on advanced oxidation and aeration performance, providing better protection in these critical areas.
• ACEA E4 and ACEA E7 will continue to serve the requirements of legacy engines, with updates made to the piston cleanliness test options in both categories.

These new categories reflect the ongoing progress in engine technology and emissions control, offering enhanced protection and performance for modern heavy-duty engines.