Answer: Equity alliance
Explanation: Equity alliance may be explained as an allegiance or business partnership which occurs between two organizations whereby there is an exchange of product, ideas or vision such that both benefit. In the scenario above, Tesla motors are a vibrant technology startup which have proved their innovative edge in recent times, this prompted Toyota's investment decision inn Tesla so that he could tap into Tesla's technology bank and gain technical expertise required to grow. Toyota is coming with money, Tesla is giving out expertise.