Hailing it as a “major breakthrough” in emissions-era engine oils, Chevron announced that its new Delo 600 ADF heavy duty engine oil drastically reduces the rate of diesel particulate (DPF ...

a subsidiary of Chevron, U.S.A. announced Delo ® 600 ADF 10W-30 and Delo ® 600 ADF 15W-40 heavy-duty engine oils are approved for use in Cummins mobile natural gas engines. The Cummins ...