Oil prices are up to $145 a barrel. No, they're down to $55. The roller-coaster ride may be making U.S. drivers happy - or at least saving them some of the extra money they spent going to work and on vacation this summer. But coupled with the credit drought, it's enough to give the alternative-energy industry vertigo.
Oil-Price Dip is Fueling Some Discontent
Copyright PHILY - Philly.com