A story splashed across the front of News Corp’s biggest-selling tabloid newspapers this week was all about gas. We need to ‘step on the gas’, the papers said, to avoid higher bills and blackouts. But the ‘special report’ was actually ‘proudly sponsored’ by the fossil fuel industry.Bridie Jabour talks to Guardian Australia’s editor, Lenore Taylor, and deputy editor Patrick Keneally about how the mining industry – and the media – are trying to shape the election agenda