Business News WA July 16.

Business News for Western Australia.
Tuesday July 16. Jessica Taylor reports.

Prime Minister Kevin Rudd says an emissions trading scheme will reduce household costs.
Rio Tinto posts record iron ore production.
ALS to spend near 0m to enter oil and gas industry.
Natural gas merger proposal.
RBA leaves cash rate unchanged.
NRW Holdings wins contract with BHP Billiton.

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