5 JASO standards have been updated.
Updated
M354:2024 Automobile Diesel Engine Oils – Valve Train Wear Test Method
M355:2024 Automotive Diesel Engine Oils
M362:2024 Automobile Diesel Engine Oils - Fuel Economy Test Procedure
M364:2024 Automobile Gasoline Engine Oils
M365:2024 Automobile Gasoline Engine Oils - Motored Fuel Economy Test Procedure