Business Green: Friends of the Earth has today called on the government to suspend targets for the use of biofuel after new research revealed that the carbon footprint of biofuels used in the UK could be double that of conventional transport fuels. The study by consultancy Scott Wilson Group was commissioned by Friends of the Earth to assess the impact of the UK’s Renewables Transport Fuel Obligation (RTFO) targets on land use. Based on “a conservative assumption”, it found that 10 per cent …