It’s hard to replace jet fuel because the alternatives aren’t energetic enough, are too dangerous, or aren’t yet being made at scale.

Learn how to become a commercial pilot from pilot Josh Kallenberg in this Howcast video.

Jun.19 -- Fred Cromer, president of commercial aircraft for Bombardier, discusses the company's c series planes, the orders for the planes, production of the aircraft and the outlook for the CRJ program. He speaks on "Bloomberg Markets:...