A video posted to Youtube today gives us the most recent look at Tesla’s battery factory under-construction in the Nevada desert. For the first time we see the walls of what could become the biggest building on earth. In the latest drone fly-by video, we could only see the barebone steel structure.

The company plans to significantly reduce the cost of batteries through economy of scale by producing 50 GWh of battery packs at the ‘Gigafactory’. Tesla expects to produce the first battery packs at the factory during the first quarter of 2016. expand full story