Reuters: The Democratic Republic of Congo is one of Africa’s most promising biofuels producers due to its vast amount of farmland suited to a range of crops from palm oil to soybeans, a top UN economist has said. "The DRC and many of the African countries have an enormous agri-ecological potential," Dr Schmidhuber said a telephone interview. "They have production potential for more than (sugar) cane: palm oil, maize, jatropha, cassava even soybeans — whatever is suited to …