We already knew that Daimler was looking in Tesla's direction for electric vehicle batteries, but we certainly didn't know that those passing glances were only the beginning of an underground battle for supply chain supremacy. As automakers struggle to move cars from lots, it's being reported that some -- Toyota, Tesla, Daimler and Nissan, in particular -- are looking to parts fulfillment for profit. Toyota already has an edge on its rivals by being one of the only companies to actually produce its own