Energy policy trips up leaders in cost-of-living poll

The major parties are struggling to convince voters their energy plans will cut bills and emissions. (Jono Searle/AAP PHOTOS)

Voters are hearing less about nuclear and more about gas from the federal opposition as the major parties struggle to sell their visions for cheaper, cleaner power.

Building seven nuclear power plants in five states is central to Opposition Leader Peter Dutton's plan to reach net-zero emissions by 2050.