Critics are questioning how the Liberals can promise to bring more coal and gas into the system while pledging to reduce emissions as the party tries to paper over climate policy divisions.

Opposition Leader Sussan Ley jettisoned a 2050 net-zero emissions target after a sustained push from the conservative flank, and the Liberals will instead pump more taxpayer money into coal and gas plants with the aim of bringing down power bills.

The party also committed to reducing emissions on average year-on-year, while scrapping legislated targets put in place by the Labor government.

The Liberals would "step on the gas" to bring down power prices by pumping more supply into the system, Ms Ley said.

"We have to open up more supplies of gas, more basins, we have to support the connection of pipe

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