The national average price of regular gasoline plunged another 22 cents in the two weeks ended Friday, to $1.75 a gallon, the lowest price in almost five years, according to the latest Lundberg Survey of filling stations released Sunday.

The Federal Motor Carrier Safety Administration last week issued a final rule requiring all interstate truck drivers to prove they have passed medical examinations and proposed a separate rule setting up a national registry of qualified examiners.

Logistics and delivery firm Dynamex Inc. said Thursday its fiscal first-quarter profit fell to $3 million, or 30 cents a share, from $4 million, or 39 cents, a year ago.

The U.S. economy has been in a recession for the past year, the Associated Press reported Monday, citing a report by the National Bureau of Economic Research.

The Canadian Trucking Alliance called on provincial governments to act swiftly to make regulations to allow weight and length considerations for technologies associated with CTA's enviroTruck program.

Manufacturing activity in the Chicago region contracted in November at the fastest pace since April 1982, the National Association of Purchasing Management said Wednesday.