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The U.S. Environmental Protection Agency has issued its final rule requiring heavy-truck manufacturers to install onboard diagnostic systems starting in 2010 to alert drivers when engine emission systems are malfunctioning or deteriorating.

Manufacturing growth in New York state continued to show contraction this month, hitting the lowest level on record, the Federal Reserve Bank of New York said Monday.

President-elect Barack Obama’s promise to sponsor the largest infrastructure-building program in more than 50 years has excited trucking officials, who also encouraged the new administration not to overlook the longer-term highway spending package due next year.

The average retail price of U.S. diesel fuel dropped for the 10th consecutive week, the Department of Energy reported, but the gap between diesel and gasoline price reached the widest spread since the agency began publishing diesel prices in 1994.

U.S. consumer confidence improved this month after last month's 28-year low, according to the Reuters/University of Michigan’s preliminary monthly consumer sentiment index, released Friday.

The Department of Transportation said highway deaths fell 10% for the first 10 months of 2008 and said it expects fatalities to be at an all-time low when the full year totals are calculated.

Prices paid to U.S. producers fell 2.2% in November, the Labor Department said Friday.

Business inventories fell 0.6% in October, the largest decline in five years, the Commerce Department said Friday.

Retail sales fell 1.8% in November, the fifth consecutive month of decline, led by a continued drop in automobile and gasoline sales, the Commerce Department said Friday.