There are many countries across the globe that utilize natural gas as transportation fuel. Argentina and Iran are among the world leaders. It is a trend that hasn't really picked up in the U.S. -- until now.
Natural gas is too cheap and too useful to ignore, and it is making inroads in the world of long-distance trucking. In this video, Fool.com contributor Aimee Duffy talks about the efforts of UPS (NYSE: UPS ) and Wal-Mart (NYSE: WMT ) to take advantage of this growing movement.
The movement toward alternative energy is gaining momentum. One potential opportunity in this field is Clean Energy Fuels, which focuses its natural gas efforts primarily on trucking and fleets. It's poised to make a big impact on an essential industry. Learn everything you need to know about Clean Energy Fuels in The Motley Fool's premium research report on the company. Just click here now to claim your copy today.