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Many in the industry say variable-speed drives, which run only as fast as necessary, are increasingly popular. Variable drives can save on horsepower and therefore save on fuel. However, the more traditional on-off drive also is a popular choice because it’s simplest and cheapest.

Ryder System Inc.is one company whose fleet maintenance technicians are using mobile lifts to get under big rigs.

Tesla’s announcement in November that it will produce an all-electric Class 8 tractor by 2019 helped highlight the potential for electric power in commercial trucking. But while Tesla and others are electrifying the entire truck, some companies are focusing on the axles.

When the electronic logging device mandate finally takes effect in December, freight hauling capacity will tighten and spot market rates are likely to rise, according to trucking industry analysts.

Cummins Inc. recently endorsed two fuel additives, marking the first time the diesel engine maker has taken such a step.

Maryland-based Ramar Moving Systems hauls specialty items such as art, satellites and, once, a moon buggy.

Several companies are testing a wide range of innovative delivery ideas to gain an edge in growing logistics and transportation space.

A tiny rock, de-icing material or salt and sand can start the process of turning a perfectly good wheel into a rust-covered embarrassment or, worse, a safety hazard. To prevent that from happening, motor carriers are using effective maintenance techniques, while manufacturers are producing more corrosion-resistant wheels.

National sales data for off-road tires aren’t available because, compared with on-road tires, so few are produced.