How do you create references for journal articles in APA format? If you need to write a psychology paper, then you are going to probably need to reference a number of different journal articles. Such articles summarize the results of studies and experiments conducted by researchers on an enormous range of topics.
The problem that second generation biofuel processes are addressing is to extract useful feedstocks from this woody or fibrous biomass, where the useful sugars are locked in by lignin, hemicellulose and cellulose. All plants contain lignin, hemicellulose and cellulose.
The Best Crops for Biofuel Production. Different crops are used for biofuel, including wheat, sunflower, soybean, and sugarcane. Biofuel production relies on energy crops grown in Europe, the U.S. and other places around the world. Alternative fuels are used to power vehicles and reduce greenhouse gas emissions.