Diversified global miner Rio Tinto (NYSE:RIO) has made the next significant step into battery metals, committing $900 million ...

Rio Tinto has signed binding agreements with Chilean state-owned copper mining company Codelco to establish a joint venture ...

However, the global pool of oil and the ease with which oil moves around the ... New sources can exert a downward force on oil prices, even in times of heavy demand. Extraction costs are typically ...