Someone figured out how to take churning and kick it up a few notches....
"A CBC News investigation has uncovered a cross-border mystery involving unexplained shipments of biodiesel tanker cars that were sent back and forth numerous times between Canada and the U.S. by CN Rail but were never unloaded.
According to leaked internal CN documents, the rail company stood to make $2.6 million for the effort.
“CN received shipping directions from the customer, which, under law, it has an obligation to meet,” CN Rail spokesman Mark Hallman said last week. “CN discharged its obligations with respect to those movements in strict compliance with its obligations as a common carrier, and was compensated accordingly.”
News story at CBC news