Electric cars require four times as much copper to manufacture compared to traditional fossil fuel variants.
Mercedes plans to introduce electric versions of all their cars by 2022.
Japanese automaker recalling midsize sedans in US and Canada
One-off conversion gives the 3.3-tonne car a range of almost 190 miles.
Public chargers will be offered at 50 stations across the city by 2020.
Proterra's Catalyst E2 Max makes breakthrough as the race for electric vehicles speeds up.
The computer maker will be providing processors and other hardware for the project.
110-tonne construction vehicle goes through full-electric conversion.
The journey is expected to start and end in San Francisco.
Carmaker suggests flashing lights above the windscreen should be used to communicate with pedestrians.
Tesla originally planned to unveil the big rig sometime around September.
IBTimes UK looks at some of the hottest new cars and wackiest concept vehicles at the 2017 Frankfurt Motor Show.
The new Supercharger stations have been designed specifically for dense and heavily-populated city areas.
Grid will include 20 I-Pace race cars and follow the 2018/19 Formula E series.
Plug-in cars from BMW, Smart, Mini and Honda - and a 1,000 horsepower Mercedes hypercar - draw the crowds.