NACFE: Lower viscosity oils can increase fuel economy

Mike Roeth, NACFE executive director, said the research for the report revealed that 5W-30 and 10W-30 engine oils, either the current CJ-4 or the upcoming CK-4, can replace the commonly used 15W-40 oils used in many trucks while also increasing fuel savings.

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Study says 6×2 axles average 2.5 percent better fuel mileage

The analysis of existing data -- with some new track tests -- by the North American Council for Freight Efficiency showed an average payback time of 20 months given fuel-efficiency gains.

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