5 Wind Energy Stocks To Watch Posted: Mar 23, 2012 11:20 AM by Investopedia Staff
Parts for Complex Machines In addition, many of the companies that provide parts for these complex machines are trading for bargain levels. Carbon fiber is used in turbine blades to reduce weight and allow the blades to spin faster. Fiber producer Zoltek (Nasdaq:ZOLT) won a $3.7 million grant from the U.S. Department of Energy (DOE) for advanced carbon fiber research, while Hexcel (NYSE:HXL) continues to expand its presence in emerging markets.