The American Petroleum Institute's "API gravity" is a standard to express the specific weight of oils, computed as (141.5/sp g) - 131.5, where sp is the specific gravity of the oil at 60 degrees ...
Autocar India on MSN13d
World's first plant-based motorsport engine oil: IFG Plantech RacingJapanese petrochemical firm Idemitsu Kosan has created a sustainable engine oil for motorsport applications. Named Idemitsu ...
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