WASHINGTON — A national commission studying transportation infrastructure funding is set to recommend that Congress raise fuel taxes now but eventually replace them with levies based on miles traveled.

Southern California port officials and state environmental regulators continued pressing their campaign to reduce heavy-truck diesel emissions, approving several controversial measures during 2008 that some truckers said will lead to severe economic hardships.

Ryder System said Tuesday it has completed its acquisition of a Canadian logistics firm with operations in China.

Sales of both existing and new homes fell in November, the National Association of Realtors and the Commerce Department said Tuesday.

Third-party logistics company and freight broker Hub Group said its full-year 2008 earnings will be lower than previously estimated, due to sluggish intermodal and brokerage volumes and pricing.

Trailer maker Wabash National Corp. and PODS Enterprises signed a multi-year agreement for Wabash to build and service all of PODS’ portable storage container requirements.

Trailer maker Wabash National Corp. said Monday it is suspending its quarterly dividend, “due to the impact of continued weak economic conditions and the uncertainty regarding the timing of a recovery.”