Clean Energy Fuels Corp. (NASDAQ:CLNE) is among the hidden penny stocks to buy now. According to a report by Marketbeat, five analysts have assigned an average rating of “Buy” to Clean Energy Fuels Corp. (NASDAQ:CLNE). While one analyst recommended holding the stock, another issued a strong buy rating, and the remaining three advised buying it. On Thursday, Clean Energy Fuels Corp. (NASDAQ:CLNE) secured a contract to design, build, and operate a second hydrogen fueling station for Foothill Transit in a $1 ...