The Department of Justice has filed a legal document with the U.S. Court of Appeals for the District of Columbia supporting federal regulators’ authority to enforce an Obama-era greenhouse gas emissions rule to include first-ever federal regulation of greenhouse gases and fuel efficiency for trailers.

The Federal Motor Carrier Safety Administration is reviewing the agency’s current seizure medical policy with an eye toward possibly eliminating a requirement that truck drivers with the condition request a special exemption from the agency.

The California Air Resources Board has conditionally approved a slate of regulatory amendments intended to more closely monitor the additives blended into B20 biodiesel that so far have not been deemed effective at mitigating oxides of nitrogen in the alternative diesel fuel.

The Federal Motor Carrier Safety Administration has issued a proposed rule that would plug an existing “information gap” to ensure that state driver licensing agencies are prohibited from issuing, renewing, upgrading or transferring a commercial driver license or learner permit to truck drivers with drug and alcohol violations.

A plan by federal regulators to allow food trucks at rest areas has hit some speed bumps.

For at least the past decade, America’s railroads have been toying with the notion of freight trains moving at speeds approaching some passenger bullet trains.

A Federal Motor Carrier Safety Administration medical advisory board is planning to discuss possible changes to the agency’s strict requirement for truck drivers with a history of seizures to be granted special exemptions before getting behind the wheel.

The Federal Motor Carrier Safety Administration has expanded its COVID-19 emergency declaration to allow examiners to conduct commercial driver license skills tests without being physically in the truck, using such technologies as in-cab cameras, online testing and cellphones.

The Transportation Security Administration has granted a temporary exemption for the expiration of Transportation Worker Identification Credentials through July 31 for cards that expired after March 1.

Federal trucking regulators are seeking comments on a petition filed by the Small Business in Transportation Coalition asking for a five-year exemption from the $75,000 surety bond or trust fund requirement for small property brokers and freight forwarders.