• Mark Betner

    Heavy Duty Lubricants Manager, CITGO Lubricants
    Mark Betner, Heavy Duty Sales Manager, Citgo
    April 5, 2019
    Lower viscosity oils aid in better overall fuel economy.
    august citgo Oil graphic 1 55a6cd4e35c89
    Mark Betner
    Aug. 10, 2015
    Federal regulations are causing changes to specifications for diesel engine oils.