Energy & Green Tech

Demand for rare minerals and metals creates eco-dilemma

According to the International Energy Agency (IEA), the demand for so-called critical raw materials (CRMs) will increase sevenfold by 2050. The reason for this is that our green, renewable energy technologies require far ...

Energy & Green Tech

Rice bran oil 'a green solution for industry'

Rice bran oil can potentially replace the petroleum-based oils currently used for cooling and lubricating lathes and other cutting machinery, says a study.

Business

'Unintentional gift': US steps into China's bitcoin breach

The long sheds at North America's largest bitcoin mine look endless in the Texas sun, packed with the type of machines that have helped the United States to become the new global hub for the digital currency.

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