Coalition's renewable energy target won't last forever, says Turnbull

• Prime minister boosts conservatives’ calls for U-turn on green energy plan
• Leaves door open for Coalition to do deals with Pauline Hanson’s One NationMalcolm Turnbull has said Australia’s renewable energy target was “never intended to be perpetual”, giving encouragement to conservatives including Tony Abbott in Coalition ranks who are calling for it to be scrapped.The prime minister made the statement at the National Press Club on Wednesday, after a sp