In recent weeks the ethanol/biofuel stocks such Pacific Ethanol (PEIX), Verenium (VRNM), Green Plains Renewable Energy (GPRE) and Biofuel Energy (BIOF) are showing quite a bit of momentum.  While big initial surges have already taken place, bullish digestion periods in these stocks may soon give way to more gains.  Below I’ve provided a video walking through the charts of these stocks.