Centered in Ann Arbor, Michigan, TMNA R&D is pursuing Toyota's mission to "Produce Happiness for All" by making life safer, easier and more enjoyable. Globally, Toyota spends approximately $1 million per hour on R&D to ensure that Toyota rapidly and continuously develops cutting-edge, high-quality, and appealing vehicles. About DTE Energy DTE Energy (NYSE:DTE) is a Detroit -based diversified energy company involved in the development and management of energy-related businesses and services nationwide. Its operating units include an electric company serving 2.3 million customers in Southeast Michigan and a natural gas company serving 1.3 million customers in Michigan. The DTE portfolio includes energy businesses focused on power and industrial projects, renewable natural gas, and energy marketing and trading.