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WASHINGTON — On the heels of a report criticizing the federal government’s efforts to ensure that truck drivers are medically qualified, the House transportation committee’s chairman blasted the top truck safety agency for not living up to its mission and for dragging its feet on the health issue.

The Transportation Security Administration said Monday it is suspending Verified Identity Pass — the company that operates Registered Traveler programs under the brand name Clear, due to a security breach.

In an injury crash, a drug and alcohol test is required only if the driver receives a citation and the injury is treated immediately, away from the scene of the accident.

The consolidation trend in the truck transportation industry has been in progress for several years but, over the past five years, has accelerated rapidly.

Canadian firm Contrans Income Fund’s second-quarter income rose compared with a year ago, due largely to a big income tax charge in the previous second quarter.

The American Transportation Research Institute said Tuesday it has launched a survey to gauge the trucking industry’s concerns over the most pressing issues facing trucking.

The U.S. economy’s service sector contracted in July for a second straight month, the Institute for Supply Management said Tuesday.

Heavy-duty truck and trailer parts aftermarket distributor FleetPride Inc. said it has acquired Truck & Trailer Supply, based in Roswell, N. Mex. Terms were not disclosed.

Oil prices continued to plunge Tuesday, falling more than $3 in early trading to $118 a barrel as a tropical storm did minimal damage in the Gulf of Mexico and speculation that slower economic growth will curb demand, Bloomberg reported.