Toyota Motor stock experienced a 3% increase following reports of a strengthened alliance between the Japanese automaker and Germany's BMW, with a focus on developing a mass-market hydrogen fuel cell car. BMW's interest in hydrogen technology signals a shift towards sustainable mobility, seeking Toyota's assistance in advancing their hydrogen-powered vehicle project. The partnership will involve Toyota supplying key components like hydrogen tanks and fuel cell systems, while BMW adapts its electric vehicle technology to integrate fuel cells. This collaboration presents benefits for both companies, with Toyota gaining production scale and BMW saving on development costs. Despite slow sales of Toyota's Mirai fuel cell cars, analysts see potential for growth in Toyota stock, which is currently undervalued and offers a decent dividend yield. The partnership's success could lead to significant profits, although long-term advantages may take time to materialize. Investors are encouraged to consider the potential returns of investing in Toyota Motor, recognizing the growth opportunities presented by the alliance with BMW.