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A new economist’s report challenges claims that trains are more fuel efficient than trucks and questions whether hauling more freight by rail actually improves air quality.

An economist with lots of experience in freight transportation has some interesting things to say that directly challenge the railroad industry’s extensive advertising blitz apparently aimed at convincing Americans that their way is the green way.

FedEx Corp. is expanding its air fleet in China because that country will lead a global rebound in air cargo traffic, Bloomberg reported.

Gasoline’s national average price jumped 14 cents in the past three weeks to $2.74 a gallon, according to the latest Lundberg Survey of fuel prices released Sunday.

The biodiesel industry was at a virtual standstill last week, despite an assurance by two Senate leaders they will introduce legislation “as soon as possible” to reinstate the tax credit that expired on Dec. 31.

The average price of U.S. retail diesel rose 6.5 cents a gallon last week to $2.797, the Department of Energy reported, and additional increases may be on the way as crude oil remained above $80 a barrel.

Lawyers for American Trucking Associations said they will ask a federal judge on Jan. 11 to forgo a trial in ATA’s clean trucks lawsuit against the Port of Los Angeles and instead to issue a summary judgment in their favor.

The average cost of a gallon of diesel in the United States rose for the first time in eight weeks, inching up 0.6 cent to $2.732 a gallon, the Department of Energy reported.

Attorneys for American Trucking Associations said that on Jan. 11 they will ask a federal judge to forego a trial in their clean trucks lawsuit against the Port of Los Angeles and instead issue a summary judgment in the trade association’s favor.