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ROCKVILLE, Md. – An advisory board that explores scientific evidence to support possible changes or additions to federal drug testing requirements is on track this summer to issue a recommendation that hair specimens be approved for the pre-employment screening of truck drivers and other “safety sensitive” federal workers.

House Democrats handed President Barack Obama an embarrassing defeat on his trade agenda, blocking final passage of fast-track negotiating authority just hours after he made a rare visit to Capitol Hill to seek their support.

The Port of Virginia said it set a record for 20-foot-equivalent unit volume in May, eclipsing the previous record that was set in March.

Former Transportation Secretary Ray LaHood will headline a Senate Finance panel hearing June 18 focusing on highway funding.

The Obama administration is poised to deliver a victory to engine makers at the expense of truck manufacturers in the next stage of the U.S. government’s plan to tackle climate change.

Legislation that would gradually reduce the federal gas tax over the next five years to 3.7 cents per gallon was introduced by Rep. Ron DeSantis (R-Fla.) on June 10.

The Federal Motor Carrier Safety Administration denied an exemption application from a group seeking to tint truck windows more than federal limits allow.

The U.S. Environmental Protection Agency on June 10 declared airplanes as a significant contributor to global climate change, but said a final rule requiring cuts in emissions is still years away.

Radio interference from freight railroads may disable the automated solution Amtrak is finalizing to prevent high-speed derailments such as last month’s fatal accident in Philadelphia.