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A yearlong federal field test of 150 Class 8 tractor­-trailers equipped with collision avoidance systems had no rear-­end crashes, a new National Highway Traffic Safety Administration study revealed.

Sales of active safety systems are rising and, as of next summer, the first versions will become mandatory on new U.S. heavy-duty tractors. Two of the largest suppliers to truck makers keep making the systems more capable, but no matter how sophisticated they get, they all start with anti-lock brakes.

GRAND RAPIDS, Mich. — SAF-Holland introduced new air disc brakes for trailers geared to commercial fleets in North America, with the base model at “a significantly lower price point than previous generation air disc brake systems.”

Canadian farm groups are blasting U.S. truck washes for being too dirty to prevent the spread of a virus that has killed millions of piglets in recent years, exposing a dispute over the effectiveness of such facilities in North American agriculture.

Venture Express Inc., a Tennessee-based fleet that specializes in serving the automotive industry, announced the acquisition of Chambers Leasing Systems Inc., an Ohio carrier, to expand the buyer’s services in the Midwest.

Federal regulators have extended until July 8 the comment period on an advanced notice of proposed rulemaking requesting certain information regarding the evaluation of safety sensitive personnel for moderate-to-severe obstructive sleep apnea.

Freight brokers are sharply divided about how to bring their carriers into line with the upcoming federal electronic logging device mandate.