Understanding API CL-4 and FB-4 for Heavy-Duty Oils

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September 11, 2026

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PC-12 is nearing launch, but OEM direction remains limited.
Questions persist about FB-4 demand, XW-20 oils and product costs. For distributors, technical readiness does not guarantee market adoption.

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News Archives

Lubricant News

Base-Oil Costs Are Rising Again—and Group III Is Still the Constraint

The New Commercial Lubricant Price Reality: HDEO Leads the Story

Valvoline Global Operations to Acquire Luval in Chile

Univar Solutions, LANXESS Expand Lubricant Additive Access in Mexico

White House Weighs Defense Production Act to Expand U.S. Refining Capacity

PennGrade 1 | Brad Penn Introduces Precision Fill Pouches for Gear Oil

PC-12 Nears Launch, but OEM Direction Remains Unclear

Canadian Additive Tariff: Putting the Potential Impact in Perspective

Lubrizol Launches CV1700 Additive Series Ahead of API CL-4 First Licensing

Colonial Group to Acquire Foster Fuels, Expanding Lubricant and Fuel Distribution Footprint

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Mergers and Acquisitions

Renewable Energy Group Acquires Northern California Distributor Dawson Oil Company

McDougall Energy Inc. Announces Completion of Dowler-Karn Acquisition

Renewable Energy Group Acquires California-Based Amber Resources, LLC

PetroChoice Expands Southeast Reach with Acquisition of APS Lubricants (Advanced Performance Services, Inc).

American Industrial Partners Announces Acquisition of RelaDyne, Inc.

Matrix Announces the Successful Sale of Jack’s Convenience Stores

Brewer-Hendley Oil Company Partners with Cadence Petroleum Group

Matrix Announces the Sale of Haywood Oil Company, Inc.’s (d/b/a Peak Energy) Convenience Retail, Petroleum Marketing and Wholesale Fuels Business

Matrix Announces the Successful Sale of Slidell Oil Company, LLC

Valor Oil acquires Ford’s Fuel Service, Inc of Loris, SC

Matrix Announces the Successful Sale of Tri-State Petroleum Corporation

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Price Changes in the Industry

The Spring 2026 Lubricant Pricing Wave: Three Distinct Rounds and the Triggers Behind Them

AOCUSA and Highline Warren Announce Additional Lubricant Price Increases as Group III Pressures Intensify

The 2026 Lubricant Pricing Wave: Unprecedented Frequency and Magnitude Across April

Multiple Pricing Actions Continue Across April as ALS and Martin Move Higher

Lubricant Price Increases Accelerate as New Round Hits Market

Additional Lubricant Price Increases Announced

Additional Lubricant Price Increases Announced as Cost Pressures Persist

Lubricant Price Increases Accelerate as Cost Pressures Broaden Across the Market

Additional Finished Lubricant Price Increases Announced

Preliminary Data Shows a Significant Decline in Lubricant Prices in 2024

More Base Oil Increases

Motiva Announces Base Oil Price Increase

Updated Summary of Lubricant Price Increases

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