Reuters: A British government report on food policy to be published on Monday says the link between demand for biofuels and rising world food prices needs to be more closely examined. The European Union’s proposal to get 10 percent of road transport fuels from renewable sources, such as biofuels, by 2020 has faced growing criticism. Biofuels are mainly produced from food crops such as wheat, maize, sugar cane and vegetable oils and are seen as a way to cut greenhouse gas emissions that …