"I'm having a couple of meetings this afternoon, government and opposition, and we'll go from there."
Mr Crook said he would likely meet Opposition Leader Tony Abbott and Infrastructure Minister Anthony Albanese today, where legislation on asylum would also be discussed.
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On including diesel in the carbon legislation, he said it was a big issue for his rural constituents.
"Hundred of thousands of my electorate will really, really struggle...the simple fact is that there's just no alternative to diesel fuel."
On the government's proposed changes to the Migration Act, Mr Crook denied he would back the government when journalists seized on comments he made calling for humane treatment of new arrivals.
He said his mind has not been made up, and there's "good and bad on both sides of the argument." Mr Crook's vote is likely to be decisive, with the opposition also lobbying hard for his support because it wants the minority Labor government to suffer its first embarrassing legislative defeat in the lower house, AAP reports.
