The guest on this week's nationally syndicated Motley Fool Money radio show is Vijay Vaitheeswaran, author of the new book Need, Speed, and Greed: How the New Rules of Innovation Can Transform Businesses, Propel Nations to Greatness, and Tame the World's Most Wicked Problems. In this audio segment, he analyzes the future of energy and shares why automakers such as Ford and General Motors will be moving further away from major oil companies.