CHARLOTTE, N.C. (AP) -- Multiple people familiar with the decision say Red Bull plans to leave NASCAR at the end of this season.
Those familiar with the decision also say a team official traveled to Michigan Speedway last weekend to inform industry leaders of Red Bull's decision. The people spoke on condition of anonymity because an official announcement has not been made to team employees.
Red Bull is both the owner and sponsor of the two-car NASCAR team. The team has struggled since its 2007 entry into NASCAR.
Red Bull also owns a pair of two-car Formula One teams. Current points leader Sebastian Vettel is the reigning world champion and has won five of seven Grand Prix races this season.
(Copyright 2011 by The Associated Press. All Rights Reserved.)
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