Business Green: Every home and small business in the UK could gain access to free or low-cost measures to enhance their energy efficiency as part of a nationwide programme proposed by the government today, which promises to deliver a huge boost to providers of energy-efficient and microgeneration technologies. Likening the proposed “Great British Refurb” to the 1960s rollout of an entirely new gas network, energy and climate change secretary Ed Miliband said the government would aim to provide …