Aerodynamic wheel covers can deliver small but meaningful fuel-economy gains for fleets, and Deflecktor says its latest design aims to make the technology easier and more affordable to deploy.
ConocoPhillips Company has introduced 76 Firebird Heavy Duty EC 15W40, the API CJ-4 upgrade of its diesel engine oil product. It is made from rerefined base oils and a tailored, low SAPS (sulfated ash ...
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