Ca maker plans to launch more than 20 electric or hybrid vehicles across group by 2020

As oil, steel and coal prices hit multiyear lows, demand is rising fast for other metals used in everything from smartphones to electric cars

New battery tech from LG could stretch electric vehicle touring ranges and with the work of the likes of Tesla as well, could push electric cars into the mainstream market

The timeframe will pit the tech giant directly against new electric models from the likes of Tesla and more established car firms like General Motors, Toyota and Ford

Galaxy Round moves manufacturer closer to wearable devices with flexible screens