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Major chapter topics include: Historical Development, Ink Analysis Training and Coordination, Ink Chemistry, Methods of Analysis, Forensic Comparison and Identification by Chromatography and Densitome-try, Instrumental Analysis of Inks, Ink Libraries, Ink Dating, Experiments on Ink Dryness Tests, Results of Case Examinations, and Court Admissibility of Relative Age Comparison Techniques.
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As such, many countries rushed to provide generous policies to encourage the production and use of biofuels.
Food processors who use crops such as peas and sweet corn have been forced to pay higher prices to keep their supplies secure and these additional costs are eventually passed on to consumers.
The price of livestock and poultry has also gone up since animal feed, which is largely grain-based, is now more costly.
For example, sugarcane, which is the most efficient ethanol crop, grows abundantly in the tropics but not in the north, while jatropha, the most efficient non-food biodiesel crop, grows in southern Asia and Africa.
Sunflower oil and rapeseed oil, which are grown in the northern hemisphere, are far less efficient as biofuels.
One study estimates that, over a thirty-year horizon and taking into account these land-use changes, corn-based ethanol doubles the level of greenhouse gas emissions relative to gasoline.