Freightliner Trucks as extended their partnership as the Official Hauler of NASCAR. With the extension, the sponsorship, which started in 2006, will run through 2015.

Starting in 2011, NASCAR trailers will be pulled by the all new Freightliner Coronado with the Detroit Diesel DD15 engine equipped with BlueTec emissions technology.

NASCAR, along with many of the racing teams Freightliner sponsors, will serve as a demonstration platform for the machine.

"We've enjoyed a wonderful partnership with NASCAR over the last five years and look forward to continuing the relationship in the years to come," said Melissa Clausen, director of product marketing at Freightliner Trucks. "NASCAR continues to allow us to showcase our trucks and equipment to a nationwide group of loyal NASCAR...