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Sometime in the near future, a new generation of supersized containerships — up to 50% larger than current vessels — will make its first appearance on the East Coast of the United States.

WASHINGTON — Federal investigators told Congress that the Department of Transportation’s drug- and alcohol-testing program for truck drivers is unreliable and riddled with problems.

The fuel price spiral has resumed, sending diesel and crude oil costs to never-before-seen levels, even as the economy stumbles along and fleets grapple with declining freight levels in 10 of the past 12 months.

Bill Davis Trucking, a truckload carrier based in Batesville, Ark., filed for protection from creditors under Chapter 11 of the U.S. Bankruptcy Act late last month.

Many carriers are still using those “How’s my driving?” decals featuring an 800 number the public can call to report a driver they consider unsafe.

WASHINGTON — The House Transportation and Infrastructure Committee last week approved a $2 billion plan to toughen bridge inspection standards and limit states’ ability to spend federal bridge funds on other projects.

Wholesale inventories rose 0.8% in September, the Commerce Department said Wednesday.

Canadian transportation firm Mullen Group Income Fund’s third-quarter profit rose to C$38 million or 45 cents a share, from C$32.1 million or 45 cents a year earlier.

U.S. worker productivity rose at an annual rate of 4.9% in the third quarter, the most in four years, the Labor Department said Wednesday.