Fluids

Lubrizol
How API CL-4 engine oil will impact fleet maintenance, fuel economy, and uptime
The transition to CL-4 oils is expected to be backward-compatible, but FB-4 use may depend on OEM approvals for specific engines and applications.
April 2, 2026
ID 121159728 © Chernetskaya | Dreamstime.com
Car engine Oil PC-12
The Fleet Lead
Jan. 13, 2026
Shell
Shell Starship IndyCar press conference
May 20, 2025
327892479 | Vitpho | Dreamstime.com
product spotlight diesel additives
Members Only
Dec. 23, 2024
Library of Congress
As automobiles gained popularity with the American people, the demand for gasoline grew, causing filling stations to pop up on curbsides across the nation.
Sept. 18, 2024
Photo 31768008 © Chris Van Lennep | Dreamstime.com
Castrol recently debuted a new line of products in collaboration with Safety-Kleen. The product line, MoreCircular, uses recycled base oils and then cleans, re-refines, and reformulates the oil to bring it up to the same quality standard as a virgin base oil.
June 12, 2024
CITGO
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Sponsored
June 4, 2024
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Sponsored
May 2, 2024
Clean Harbors Inc.
Castrol launches MoreCircular: a nationwide program to advance a more circular U.S. lubricant industry
April 17, 2024

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