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.
Currently, soybean oil is the dominant biomass source for biodiesel production. The cost of biodiesel production from virgin vegetable oil is predicted to be approximately three times greater than regular diesel, and the price is expected to further increase to $1.00 per litre as the demand for virgin vegetable oil increases as both a food crop and source of biomass for biodiesel production (Global bioenergy 2009).