BHP aims to slash iron ore costs to become cheapest supplier

LONDON/MELBOURNE, Oct 6 (Reuters) - BHP Billiton (NYSE: BBL - news) aims to cut its iron ore production costs by more than 25 percent and squeeze more tonnes from its mines as it aims to overtake rival Rio Tinto (Xetra: 855018 - news) as the world's cheapest producer, the world's largest miner said on Monday. BHP, the No. 3 iron ore producer behind Brazil's Vale and Rio Tinto, outlined the cost ...