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Oils & lubricants

Maintenance
Truck maintenance tips that maximize uptime
Fleet managers and truck owners can significantly reduce repair costs and boost efficiency by implementing a systematic inspection checklist that focuses on critical components like tires, engines, and cooling systems.
October 14, 2026
Close-up of worn truck tire tread with red commercial truck blurred in background
Maintenance
Managing older trucks amid rising costs and regulatory shifts
As fleets weigh upgrading versus maintaining older trucks in 2027, operators must adopt proactive maintenance schedules, account for rising parts costs.
September 28, 2026
White refrigerated semi-truck with Thermo King cooling unit parked on roadside with trees and red car visible
Sponsor Content
See how large fleets handle new freight challenges.
Shell Lubricants
October 1, 2026
See how large fleets handle new freight challenges.
Oils & lubricants
Preparing for PC-12: What fleets need to know
Fleets must begin preparing now for the 2027 rollout of the PC-12 engine oil category by assessing equipment compatibility between backward-compatible CL-4 and fuel-efficient FB-4 formulations.
August 27, 2026
Golden motor oil pouring from a black container against an engine background
Oils & lubricants
Rising lubricant costs squeezing maintenance budgets, and the climb isn't over
Surging raw material costs have triggered steep price hikes for fleet engine oils and greases, with industry experts warning of at least another 10% increase before the end of 2026.
August 20, 2026
Golden motor oil pouring from a black container into an engine against a grayscale background
Oils & lubricants
The secret lives of driveline fluids: How they keep fleets functional and profitable
Fluids that protect axles, differentials and transmissions play a critical role in enabling heavy-duty trucks to perform their best, helping to maximize loads, maintain efficiency and minimize operational downtime.
June 24, 2026
Golden motor oil pouring into an engine with metal components and mechanical parts visible
Maintenance
Global engine 'oil supply crisis' hits: Will trucking be impacted?
Retailers sound the alarm on engine oil inventories after an Iranian missile strike hit a key refinery, but it looks like only thinner oils, not conventional diesel engine oils, will be impacted for now.
May 18, 2026
Motor oil being poured from a black container during an engine oil change maintenance procedure
Maintenance
Maximizing every drop: A comprehensive approach to fuel efficiency
Fuel tip of the week: AMTs now make up most of the heavy- duty market, in part because they are upwards of 5% more fuel efficient than a manual. Click the photo.
April 21, 2026
Driver's hand on steering wheel inside truck cab with dashboard visible
Oils & lubricants
Next gen engine oil gets green light for 2027
API okays new diesel engine oils for model year 2027. Also: Two fleet owners among four sentenced in USPS bribery scheme; Mack launches new enhanced virtual owner's manual; alleged cargo thief officially charged in court.
April 10, 2026
SAE motor oil certification badges showing 10W-30 and 15W-40 grades with API service classifications
Oils & lubricants
Valvoline oil receives 100,000-mile drain interval approval from Cummins
The Gen 2 oil was originally developed in 2020 based largely on research partnership between Valvoline and Cummins.
March 15, 2026
Professional man speaking at IMC podium during corporate presentation with Cummins branding visible
Oils & lubricants
New engine oil category 'on the final step'
A next-generation engine oil category is just 9 months from making its debut.
March 15, 2026
Golden motor oil pouring from a dark container against blurred automotive background
Oils & lubricants
New diesel engine oil category on track for 2027 debut
How will these next-generation engine oils differ from the ones fleets use today?
January 7, 2026
Motor oil streaming into engine, golden liquid pouring from black container
Oils & lubricants
Common ways your lubricants get contaminated before they’re in your truck
Dirt, water, and other contaminants can enter lubricant at various stages, from storage to use, and these contaminants can cause increased wear and tear on engine components, leading to costly repairs and downtime.
December 13, 2024
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Oils & lubricants
Essential tips for truck transmission and differential care
Why regular maintenance of transmission and differential fluids is vital for truck performance and longevity, and look for these key signs of issues and tips for ensuring optimal performance.
October 25, 2024
Maxresdefault 67180ca57fc6f
Oils & lubricants
Is your engine getting enough air? Maximize fuel economy by reducing DPF ash clogs
Ash builds in the DPF until there's not enough room for a regen, tanking the fuel economy.
August 29, 2024
Maxresdefault 66d0ac0e0d98f
Oils & lubricants
Dirty samples: How to keep your engine oil samples clean for lab testing
As simple as it sounds, there is a right and wrong way to collect oil samples for lab testing, and incidental contaminants are going to affect the results.
July 26, 2024
Maxresdefault 66a28187bf570
Oils & lubricants
The biggest reasons to do an engine oil analysis
Just like a blood test can show signs of a problem in the body, an engine oil sample can show signs of problems with your truck.
June 27, 2024
Maxresdefault 667db11ba1cec
Oils & lubricants
How oil viscosity affects engine performance
The thinner an oil is, the easier it pumps through the engine, but there’s a lot more to oil viscosity than now thick it is.
May 23, 2024
Maxresdefault 664f76eab626e
Oils & lubricants
Castrol rolling out 'circular' oil recycling program
Castrol MoreCircular encompasses the entire process of collecting used oil, re-refining it and integrating the re-refined base oil back into premium lubricants.
April 11, 2024
engine oil
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Top Stories
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Autonomous
Launching Volvo and Aurora's 'driverless' VNL
CCJ Editor Jason Cannon traded the driver's seat for the bunk to experience a test launch of an autonomous Volvo VNL at Aurora's South Dallas terminal.
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Safety & Compliance
FMCSA’s proposed trucker language rule draws praise and pushback
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Economic trends
Climbing driver wages are driving up contract rates
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Trucks
Could dyed diesel damage your engine or void your warranty?
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CCJ Top 250
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View, sort and download the trucking industry’s most comprehensive ranking of for-hire carriers in North America, based on a blend of metrics including fleet size, annual revenue and number of drivers.
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Run Your Fleet. Not Your Tire Program
See what changes when Michelin Fleet Solutions helps manage your tires for you.
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