Behind the scenes at the 86th edition of the National Truck Driving Championships, several stories unfolded. Here's a look back at some of our favorites.

The national average diesel price rose for the third straight week, climbing 11.2 cents to settle at $4.239, according to Energy Information Administration data released Aug. 7.

Third-party logistics provider GSC Logistics Inc. has expanded service capabilities by acquiring transloading company MacMillan-Piper, the company announced July 24.

XPO has completed the expansion of one of its service centers near Atlanta in an effort to grow capacity in the area, the company announced July 13.

The needle refused to budge on the average national on-highway diesel price, holding at $3.806 a gallon, according to Energy Information Administration data released July 17.

Amazon's electrification of its delivery fleet gained pace over the past six months while still lagging earlier targets. The e-commerce giant has rolled out more than 5,000 EVs in the past year.

Kodiak Robotics Inc. is set to equip 800 trucks with self-driving technology for Loadsmith, a third-party Capacity-as-a-Service logistics provider, the companies said.

Volvo Trucks North America is working with the University of Minnesota and two fleets on testing of Volvo's Class 8 VNR Electric model to assess the impact of temperature on battery life.

Navistar’s International SuperTruck II reached a fuel efficiency of 16 miles per gallon and a 170% improvement in freight efficiency compared with a 2009 baseline, the company said June 20.

Diesel prices bumped up 2.1 cents to a national average of $3.815 a gallon, according to Energy Information Administration data on June 19.