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An appeals court has rejected a challenge by a group of trade and energy organizations to block California’s low-carbon fuel standard aimed at reducing the rate of greenhouse gas emissions in the state’s transportation sector.

California environmental regulators are aggressively moving forward with plans to require significant reductions in nitrogen oxides and particulate matter emissions for heavy trucks, improvements in “real time” on-board diagnostics, and lengthening the “useful life,” durability and warranty periods for heavy trucks.

WASHINGTON — Members of the Transportation Research Board’s Truck Size and Weight Committee said they continue to face stiff headwinds to garner public and political support for heavier and longer trucks, despite evidence that demonstrates the potential for reducing carbon emissions and increasing cargo efficiency.

Characterizations of Andrew Wheeler’s tenure as acting administrator of the U.S. Environmental Protection Agency fell mostly along party lines during his confirmation hearing to lead the agency

In a unanimous decision, the U.S. Supreme Court on Jan. 15 limited the ability under federal law for motor carriers to force disputes with owner-operators to be resolved in arbitration, a ruling that could cause an increase in future class-action lawsuits by truck drivers.

WASHINGTON ­­— Federal trucking regulators expressed concern over increasing numbers of large-truck-involved fatal crashes in work zones and a continuing increase in the number of fatalities of large-truck occupants.

American Fuel & Petrochemical Manufacturers and American Trucking Associations have asked the U.S. Supreme Court to reject an appeals court ruling that upheld the state of Oregon’s program to reduce the carbon intensity of fuel by 10% by 2025.

Commercial driver skills testing delays are responsible for $1.5 billion in annual economic losses for the U.S. economy and more than 6.4 million days of delays for new drivers, according to new research commissioned by the Commercial Vehicle Training Association.

Federal trucking regulators are exempting too many motor carriers from electronic logging device requirements and other regulations, creating “confusion and inconsistency in enforcement,” according to the organization representing roadside commercial vehicle inspectors.

Drug use by workers in five sectors of the U.S. economy — including the transportation/warehousing sector — showed significant increases from 2015 to 2017, according to a new analysis of more than 10 million urine drug test results nationally by drug testing firm Quest Diagnostics.