SG Biofuels announced it had collected jatropha specimens from sites in Central America with elevations ranging from 1,600 to 1,800 metres and with winter temperatures of around 7 degrees Celsius, which dip below freezing at night. “We believe that we have located several strains that can make jatropha a viable oil-producing crop in a much broader range of climates here in the United States,” Kirk Haney, President and CEO for SG Biofuelsm, said in a statement. The company said it has started a breeding programme designed to develop a variety of jatropha which can be used as an oil-producing crop in the temperate regions of the United States.  Native to Central America, jatropha is a non-edible shrub with oil-containing seeds which can be used for a variety of bio-based materials including biodiesel. Read the full article here.