EghtesadOnline: Hidden within the salt flats high in the Andes mountains of South America are vast deposits of the lithium that Elon Musk may need for his electric-car revolution. But extracting the mineral from brine ponds created by Orocobre Ltd. has proved more difficult than expected.

EghtesadOnline: It’s not just in Google laboratories that the revolution in electric, driverless transportation is gathering pace: a Norwegian shipping company is aiming to be able to deliver cargoes by sea on unmanned vessels from 2020.