Summer heat can expose cooling system problems that have been developing for months, including improper glycol concentration, contamination, coolant loss, and degraded coolant chemistry.

Fleet Maintenance Editor-in-Chief John Hitch talks with Max Cundiff, industrial sector manager at Chevron, about the role coolant testing and sampling can play in fleet maintenance and how fleets can use those results to identify potential problems before they lead to failures.

Here are the headlines from this week in trucking:

• CVSA shared the results of its hazmat inspection blitz
• J.B. Hunt is spending an extra $25 million on drivers
• Texas is adding 175 parking spots on I-30
• Dry van, refrigerated spot rates increased
• Diesel prices continue rising

Here are the headlines from this week in trucking as of September 11:

• ICE has a new tip line for CDL fraud
• A bill in Congress promises to crack down on chameleon carriers
• New research shows how fleets are using telematics
• Spot market rates increased ahead of Labor Day
• Diesel prices are rising quickly

One of the most persistent headaches facing commercial fleet executives? Driver retention and turnover. In this episode, editors from FleetOwner, Fleet Maintenance, and Bulk Transporter talk about the new premium on high-quality, fully compliant drivers.

From the rising financial toll of onboarding new hires to the debates surrounding the true nature of the "driver shortage," this roundtable unpacks what it really takes to build a stable, loyal workforce among fleets and shops.

Timestamps:

• 03:47 - Regulatory crackdowns, carrier vetting
• 05:30 - Fleet pay raises, private fleet comparisons
• 09:18 - Proven retention strategies
• 14:09 - In-cab technology
• 20:01 - Technician retention, shop floor upgrades
• 24:12 - ATA leadership changes

Here are the headlines from this week in trucking as of September 3:

• FMCSA is removing another 270 driver training schools
• PlusAI is going public … again!
• FMCSA’s Hours-of-Service pilot is moving forward
• Spot market rates are mixed
• In fuel this week, diesel prices fell by 5 cents

Here are the headlines from this week in trucking as of August 27:

• Chris Spear suddenly left the American Trucking Associations
• The trade war with Canada is bad news for freight demand
• Missouri started a $33 million project for truck parking on I-70
• Descartes acquired a broker TMS for $100 million
• A new private equity operation is buying up carriers
• CVSA released its International Roadcheck enforcement results
• Kodiak and Aurora are authorized to test autonomous trucks in California
• Autonomous truck company Gatik got $200 million in extra funding
• Einride wants to buy 500 Tesla Semis
• Spot market rates fell once again
• Diesel shot up by 20 cents

What has kept the Chevrolet Express driving strong for nearly three decades? In this episode of The Fleet Lead, Jade Brasher and Jeremy Wolfe dive into a hands-on review of GM's iconic commercial van after an unexpected rental car test drive.

The van is certainly unique in the U.S., from its analog interior to its body-on-frame construction. Here's why this workhorse is still a top seller for commercial fleets—and what might be next for the platform in 2027.

John Hitch hosts Kristy Coffman, director of Mitchell 1’s commercial vehicle group, about the 20-year evolution of multi-brand truck repair software like TruckSeries.

John and Kristy explore how modern diagnostic tools and interactive wiring diagrams help bridge the technician training gap, the responsible integration of emerging AI and what wearable tech in repair shops means for the future of commercial maintenance.

Timestamps:

• 0:28 — Mitchell 1's 1946 origin and 20 years of TruckSeries
• 5:08 — Dave Costantino’s nationwide road trip
• 6:06 — Challenges in solving multi-brand repair data
• 9:59 — The evolution of wiring diagrams
• 15:14 — Turning TMC Recommended Practices directly into repair software
• 17:39 — The impact of AI on shop management
• 24:32 — Technician training gaps and how diagnostic tools help bridge the gap
• 27:18 — Wearable technology, smart glasses, and hands-free AI in the shop
• 34:15 — Updates on acquisition of Diesel Laptops