Reuters: British households will be able to take out soft loans to improve the efficiency of their homes, under a new proposed law to fight climate change and cut fuel poverty, the government said on Tuesday. The aim is to overcome the high upfront cost of home refurbishments, for example to insulate lofts, thicken walls and install draught-proof windows, by allowing people to take out long-term loans at subsidized interest rates. The cash-strapped British government hoped high demand …