Pratt & Whitney's Hess on Airlines, Engines

April 30 (Bloomberg) -- David Hess, president of Pratt & Whitney, a unit of United Technologies Corp., talks about demand for the company's jet engines, the impact of jet fuel prices on the airline industry, and the company's focus on fuel efficiency and reduced engine noise levels. He speaks with Willow Bay at the Milken Institute 2012 Global Conference in Los Angeles on Bloomberg Television's "Bottom Line." Mark Crumpton also speaks. (Source: Bloomberg)