ARVO FA-4 is an advanced lubricant technology designed for fuel-efficient engines requiring API FA-4 specifications and emission after-treatment compatibility. Specifically formulated for on-highway applications, it is ideal for select 2017 greenhouse gas-compliant diesel engines, supporting lower CO2 emissions and improved fuel economy. Additionally, ARVO FA-4 is suitable for EPA 2010-compliant low-emission diesel engines equipped with SCR (Selective Catalytic Reduction), DPF (Diesel Particulate Filter), and EGR (Exhaust Gas Recirculation) systems.