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The Environmental Protection Agency wants to hear from the public about the latest version of its evaluation of the negative health problems caused by diesel exhaust.

Sue Bailey assumed duties Aug. 21 as administrator of the National Highway Traffic Safety Administration, replacing Ricardo Martinez, who stepped down in October 1999.

In the news this morning: Fuel costs, Internet unit expenses lead to quarterly loss for Celadon Group; Averitt Express opens new center in Southern Texas; Ontario Smog Patrol watches roads for polluters; and more.

This afternoon's headlines: Shiloh net down in Q3, warns of possible Q4 drop on soft trucking market; and Cysive stock tumbles after terminating CorPay contract; 511 traffic info hotline slowly taking hold; and more.

Today's technology headlines: FedEx uses IBM scanners and servers to boost tracking information; Motorola exec says GPRS phones will be on sale in fourth quarter; FCC pulls plug on slow-moving broadband satellite operators; and more.

Diesel prices in 2006 could be 52 cents more per gallon than they are today if the proposed standard for reduced sulfur in diesel fuel becomes law, according to a study conducted for the American Petroleum Institute.

Five states other than the main culprit, California, need to make changes to their truck registration rules or risk ending up on the wrong side of the International Registration Plan.

The 73-year-old Peace Bridge on the U.S.-Canada border is a truck-traffic time bomb, ready to explode into more congestion and delays if construction of a twin span is put on hold, according to an economic study.

Canada, usually an oasis of calm, finds itself in a tempest lately over the proposed revisions to its hours-of-service rules.

In the news this morning: Oil analysts warn trucking, consumers to suffer most from diesel price spike; Feds report July durable goods orders nosedived; Alberta Trucking Association seeks tax break for truckers; and more.