Energy & Green Tech

Major environmental benefits of recycling gold with biodiesel

Researchers at Chalmers University of Technology in Sweden have developed an environmentally friendly method for recycling and purifying metals. Using gold earrings from a pawnshop in Gothenburg and biodiesel from the nearest ...

Energy & Green Tech

Progress toward greener redox-organic electrode batteries

Our modern rechargeable batteries, such as lithium-ion batteries, are anything but sustainable. One alternative is organic batteries with redox-organic electrode materials (OEMs), which can be synthesized from natural "green" ...

Engineering

Novel process extracts rare earth elements from waste

Rare earth elements (REE), a group of 17 metallic elements, are in nearly every piece of technology, including cell phones, televisions, computers and almost every part of a vehicle. The demand for these elements increases ...

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