Nickel a 'concern' for Elon Musk

TESLA boss Elon Musk has indicated that nickel is a major issue for the electric carmaker.

Nickel a 'concern' for Elon Musk Nickel a 'concern' for Elon Musk Nickel a 'concern' for Elon Musk Nickel a 'concern' for Elon Musk Nickel a 'concern' for Elon Musk

Tesla founder and CEO Elon Musk

"Nickel is our biggest concern for scaling lithium-ion cell production. That's why we are shifting standard range cars to an iron cathode. Plenty of iron (and lithium)!" Musk tweeted on Friday.