An aftermarket device that attaches to the sides of a tractor-trailer successfully prevented a midsize car from sliding underneath the trailer in a 40 mph crash test, Insurance Institute for Highway Safety officials said. See crash test video.

Comments on a plan by the Trump administration to halt the future growth of biomass-based diesel fuel and reduce the short-term requirements for all renewable fuels were largely split down the middle, pro and con.

Commercial vehicle inspectors will issue citations to motor carriers operating vehicles without electronic logging devices beginning Dec. 18 but will not place vehicles out of service until April 1.

More than four years after an FBI raid on the headquarters of Pilot Flying J, the exhaustive investigation into a diesel fuel rebate fraud could be nearing its end come Oct. 31.

Nearly one of every four trucks that received comprehensive Level I inspections during the Commercial Vehicle Safety Alliance’s International Roadcheck this summer were taken out of service, CVSA reported on Aug. 23.

In a move to respond to concerns by the trailer and glider industry, the U.S. Environmental Protection Agency announced it plans to “revisit” its Phase 2 provisions on greenhouse gas emissions and fuel efficiency for medium- and heavy-duty engines.

The condition of the nation’s large bridges has improved over the last decade, but state transportation officials have faced challenges constructing or completing major projects on large bridges over the past five years, according to a new report by a congressional watchdog agency.