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Old 11-17-2012, 11:07 AM
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floydarogers floydarogers is offline
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Premium is marketing

As Omni mentioned, Cetane doesn't make a whole lot of difference, except for cold starts where it helps with the initial light-off and reduces particulate size (which means fewer DPF cycles). You won't get improved mileage from a higher cetane fuel (in general).
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