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Daimler Trucks North America is recalling 18,105 of its 2018-19 Freightliner Cascadia models due to an issue with its brake caliper mounting bolts.

The technology behind low-rolling-resistance tires is based on the benefit of reducing the resistance that’s caused by tires rolling on the surface of a roadway. Reducing this resistance means that the truck requires less energy and fuel, and as a result, runs more efficiently, industry experts said.

Commercial vehicle supplier Wabco Holdings reported second-quarter operating income of $146.5 million, up 35% from $108.4 million in the same period a year ago. Earnings per share rose to $1.95, up 21% from $1.61.

Truck spec’ing will continue to evolve, but a couple of fleet executives had some suggestions for truck makers on ways to improve the process.

Given the complexity of today’s trucks, it may be natural for the uninitiated to assume that spec’ing a truck well has become more difficult. But, the opposite is the case, industry executives said.

Heavy-duty collision repair is becoming increasingly complex due to a variety of factors, including the conversion from steel to aluminum bodies, the changing componentry and design of trucks and the proliferation of onboard sensors.

It’s time that Class 8 commercial trucks deployed high-tech cameras instead of the assortment of mirrors — rearview, down view and blind spot — found on today’s tractors.

Volvo Trucks North America says its D13TC engine’s turbo compounding unit will add 50 horsepower through waste heat recovery and will improve fuel efficiency by 7.5%. The com­pany believes the technology could reach the same level of market acceptance as its automated transmissions. But not every manufacturer believes turbo compounding is the best way to improve fuel efficiency.

DHL Express ordered 14 Boeing 777 Freighters with options and purchase rights for another seven aircraft. The first four of the planes will be delivered by year-end 2019.