House builders have questioned who will pick up the bill for the Government's reiterated pledge for all new homes to be zero carbon by 2016. http://service.meltwaternews.com/mnews/redirect.html?docId=793000918&userId=683154&cId=197010&agentId=103736&type=2&s=50033&url=http%3A%2F%2Fwww.cnplus.co.uk%2Fsectors%2Fhousing%2Fbuilders-demand-new-carbon-pledge%2F5205453.article