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    Trucker 5432 Cummins 8
    Adoption of API FA-4 oils is slow but should increase.
    Aug. 7, 2017

    Brian Humphrey

    Brian Humphrey was an OEM technical liaison at Petro-Canada Lubricants from 2013 through 2019. Humphrey retired in 2019.

    FleetOwner helps commercial fleet executives and maintenance managers who oversee the operations of five or more vehicles. FleetOwner's award-winning editorial and veteran sales staff help trucking industry leaders improve operations and vehicle maintenance and better understand industry regulations and emerging transportation technology. Engaging more than half a million commercial vehicle professionals every month, FleetOwner maintains the largest audience of commercial truck fleet executives available to the industry. Endeavor Business Media Commercial Vehicle Group affiliates Fleet Maintenance, Bulk Transporter, Trailer|Body Builders, Refrigerated Transporter, and For the Driver help FleetOwner reach the entire North American over-the-road transportation and freight industries.
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