"The Ford team has been laser-focused," Mulally said on "Squawk on the Street." "Clearly I am pleased to get that speculation behind us. I am absolutely committed to the Ford team and the Ford plan, and this year is so exciting for us."
(Read more: Ford gears up for dramatic makeover)
Mulally's comments coincided with the opening of the North American International Auto Show in Detroit, where Ford plans to unveil a revamped version of its flagship pickup truck, the F-150. The shift to lighter aluminum construction from steel in the F-150 will help drive down fuel mileage, Mulally told CNBC, adding that Ford remains committed to making the most fuel-efficient trucks in the market.
"That will save us over 700 pounds, which then we can downsize the engines and improve the fuel efficiency," Mulally said. "But aluminum is, pound for pound, tougher than steel. I think customers are absolutely going to be value the toughness."
(Read more: GM CEO: Taking care of Silverado recall)