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WASHINGTON — Bendix Commercial Vehicle Systems LLC demonstrated here the automatic braking system for heavy-duty trucks it will offer starting in the fourth quarter.

California clean-air regulators propose to force all older highway trucks running within state boundaries to be retrofitted first with diesel particulate filters, costing $8,000 to $20,000 and more, and then with equipment that reduces output of nitrogen oxides, in a complicated, staggered schedule in effect from 2010 through 2022.

An employment trends index declined in June, the New York-based Conference Board said Monday.

The first hurricane of the Atlantic hurricane season formed Monday, but forecasts put it on a track that would not affect Gulf of Mexico oil platforms, the Associated Press reported.

At a time when good news is in notably short supply, it’s nice to be able to report several positive stories on this week’s front page.

The Commercial Vehicle Safety Alliance said 23.9% of the 52,345 vehicles that underwent comprehensive inspections during Roadcheck last month were placed out of service, the lowest percentage in the program’s 21-year history.

The average price of a gallon of retail diesel dipped 0.3 cent last week, to $4.645, making June only the second month so far in 2008 during which the average did not rise, the Department of Energy reported.

Finnish mobile phone maker Nokia received European antitrust approval to complete its $8.1 billion purchase of Navteq Corp., a Chicago-based provider of digital maps for in-vehicle navigation systems.

Two federal lawmakers joined the head of the Motor Transport Association of Connecticut in calling for action to help relieve soaring fuel prices that are driving trucking companies out of business, the Connecticut Post reported Thursday.