It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...
Diesel engine makers and truck OEMs will, within a few short years, expect motor oil to contribute to the mandated greenhouse-gas emissions (GHG) reduction and corresponding increase in miles per ...
Amsoil is rolling out its new API service category CJ-4 synthetic 5W-40 premium oil for model year 2007 heavy-duty and pickup truck diesel engines. Amsoil is rolling out its new API service category ...
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