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Chevron Unveils New Delo 400 CK-4 and FA-4 Engine Oils
Chevron Unveils New Delo 400 CK-4 and FA-4 Engine Oils

August 25, 2016
Chevron unveiled its new line of Delo 400 engine oils meeting the American Petroleum Institute’s new CK-4 and FA-4 heavy-duty diesel oil specifications,...

Report: Most Fleets Should Consider Low-Viscosity Oil for Fuel Economy
Report: Most Fleets Should Consider Low-Viscosity Oil for Fuel Economy

June 29, 2016
A new report concludes that most fleets should look at adopting lower-viscosity engine oils for fuel savings.

8 Steps to Better MPG Through Maintenance
8 Steps to Better MPG Through Maintenance

June 20, 2016
We asked leading fleet maintenance managers and the North American Council for Freight Efficiency for tips on how preventive maintenance can help improve...

Q&A: New Committee Head Talks PC-11 Oil Category
Q&A: New Committee Head Talks PC-11 Oil Category

September 9, 2015
There's a new head of the committee developing the new heavy-duty engine oil classification, known as PC-11. HDT talked to Shawn Whitacre to find out what...

Oil Viscosity: How Low Can You Go?
Oil Viscosity: How Low Can You Go?

July 17, 2014
To meet expected greenhouse gas/fuel efficiency standards, oil companies and engine makers have been busy developing a new standard for engine oils that...

New Oil Standard Won't Have Adhesive Wear Test
New Oil Standard Won't Have Adhesive Wear Test

June 30, 2014
A proposed test for adhesive wear, or scuffing, will not be a part of the upcoming new API oil standard, currently known as PC-11, and the new category is...

Shell Engine Teardown Compares Protection of Experimental Oil
Shell Engine Teardown Compares Protection of Experimental Oil

May 14, 2014
What do you get when you put a group of trucking journalists in a room with three tables of engine teardown parts and ask them to choose which one is from...

The Lowdown on the New Low-Viscosity Oils
The Lowdown on the New Low-Viscosity Oils

March 13, 2014
Exactly what is this "high-temp, high-shear" viscosity engine oil standard in the works for the next round of EPA emissions standards, and what are engine...