Duron, Ursa meet Mack EO-N

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In addition to meeting the new API CI-4 specification for 2002 EGR-equipped engines, Duron XL synthetic blend 15W-40 oil from Petro-Canada, Toronto, and reformulated Texaco Ursa Super Plus 15W-40 oil from ChevronTexaco, San Francisco, meet Mack’s extra-stringent EO-N Premium Plus specification.