Senator McKENZIE (Victoria—Leader of the Nationals in the Senate) (14:54): The TWU, ARTIO, NRFA and NatRoad have all written to the Treasurer calling for certainty. Rising operating costs are already impacting the sustainability of road transporters, drivers and operators, who already operate on razor-thin margins. Industry groups and unions are in lock step on this issue. When will this Labor government stop sitting on their hands and restore the fuel tax credit scheme?