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Despite a relatively slow adoption rate of advanced driver assistance systems, or ADAS, by small and medium-sized motor carriers, a roundtable of trucking, manufacturing, research and regulatory executives say the technologies generally are showing real results in reducing the number and severity of crashes.

A government watchdog has issued a searing review of some of the Federal Motor Carrier Safety Administration’s most critical information technology systems used to monitor the safety of motor carriers.

The EPA has proposed cutting back on the minimum required volume of renewable fuels produced in 2018 and putting the brakes on the minimum volume of biomass-based diesel produced in the United States in 2019.

The Department of Transportation’s wireless connected vehicle pilot program, currently in its design, deployment and testing phase, is making progress at its demonstration sites in Wyoming, New York City and Tampa, Fla., the program’s manager told members of an agency advisory committee.

State and local law enforcement officers from five Southeastern states are out in large numbers in a special enforcement operation primarily looking for trucks and cars speeding on highways and interstates.

For years, truckers have been complaining that inspectors do not always submit reports to federal regulators giving them credit for no violations or “clean” roadside inspections.

Nearly eight out of 10 large trucks and buses did not have any critical violations during an unannounced special brake inspection day across the United States and Canada earlier this year, the Commercial Vehicle Safety Alliance announced on July 12.

California environmental officials are working on a plan to require truck and engine manufacturers to extend emissions system warranties up to more than four times longer than current regulations require.

Federal regulators have the statutory authority to issue permits for U.S. longhaul operations to Mexico-domiciled trucking companies despite poor participation by Mexican carriers in a three-year pilot used to demonstrate their safety, a federal appeals court has ruled.