Rising gas prices and the pitched battle between farmers and miners over coal seam gas extraction -- as Crikey reported yesterday -- is set to spill over into the federal election campaign. The Greens and Bob Katter are looking to capitalise.

Both the Greens and Katter's Australia Party, which will field candidates in all 150 House of Representative seats as well as in the Senate, have vowed to take on mining interests and ward off CSG plots from fertile cropping land.