Senior Liberals are dismissing suggestions a challenge is mounting against Sussan Ley as opposition leader despite one labelling a reported rival as an "exemplar" potential leader.

Liberal MPs and senators will meet in Canberra on Wednesday to thrash out a final position on climate and energy.

After the Nationals agreed to dump net zero by 2050 as a policy, the Liberals have faced calls to follow suit, placing pressure on Ms Ley's leadership of the party.

Coalition frontbencher Angus Taylor was last week seen dining in Canberra with a splinter group of conservatives who have been vocal in their criticism of net zero, including West Australian MP Andrew Hastie.

It sparked rumours Mr Taylor or Mr Hastie might be manoeuvring to challenge Ms Ley pending the outcome of this week's climate p

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