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Roughly one in three U.S. motorists expect to drive more in August as low gasoline prices help fuel optimism for the broader economy, a new retail survey released on Aug. 11 shows.

After two years of study, a federal drug advisory board has issued a recommendation that hair specimens be approved as an alternative for federal workplace drug-testing programs.

The first wave of long-range commercial drones should be allowed to operate in a narrow, low-altitude band and must agree to be tracked, according to Amazon.com Inc.’s vision of the future.

In 1975, President Gerald Ford signed into law a bill allowing states to permit higher truck weights on interstate highways, and it’s worth remembering the reason for the measure – a national speed limit of 55 miles-per-hour had crimped productivity for the nation’s truck drivers.

The Senate late on July 27 agreed to limit debate on a six-year highway bill, paving the way for final passage within days.

Shipper groups last week urged the Surface Transportation Board to create new rules that could foster lower rail prices through competitive switching or rate caps, now that carriers have become profitable enough to absorb a slight revenue decline.

WASHINGTON — A small change in the limit for ground-level ozone emissions could lead to wide-scale noncompliance of environmental rules and could lead to the federal government’s yanking funding commitments for infrastructure projects, business groups said.