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December 1, 2016

Chevron: Reformulated Delo 400 Engine Oils Boast Higher Performance

Chevron Products Company rolled out an expanded line of Delo 400 heavy-duty diesel engine oils on Dec. 1, the same day that oils formulated to meet the new API CK-4 and FA-4 service categories became eligible to to be marketed and sold.

August 26, 2014

How Tires Affect Fuel Economy Testing

When setting out to evaluate a fuel-saving product, you don't want your numbers skewed by differences in rolling resistance from the tires. With some fuel-saving devices promising only marginal gains, the tires' contribution to the fuel consumption can adversely affect the apparent performance of the product. Here's what to watch for when setting up an evaluation or testing program.

November 8, 2013

Aero Add-ons Put to the Test

The Performance Innovation Transport Group recently tested trailer side skirts and undercarriage air deflectors.

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