Plug Power stock experienced a significant surge of 7.1% driven by news of a collaboration between Toyota, BMW, and Plug Power in the hydrogen power industry. BMW revealed its plans to mass-produce a hydrogen fuel cell car in 2028, with Toyota's latest hydrogen fuel cell stack being integrated into the vehicle. This announcement boosted investor confidence in Plug Power's potential to become a leading provider of liquid hydrogen for hydrogen-powered vehicles. Despite the positive outlook, there are concerns regarding Plug Power's financial situation. With only $62 million in cash, $916 million in debt, and a current annual burn rate of $1.5 billion, there are doubts about the company's sustainability until revenue from hydrogen fuel sales materializes. While BMW's commitment to incorporating hydrogen fuel tanks into its vehicle architecture is seen as a positive sign for Plug Power, the target date of 2028 raises uncertainties about Plug's immediate revenue prospects. Investors are advised to exercise caution before investing in Plug Power, considering the financial challenges the company faces. The Motley Fool Stock Advisor team has highlighted other stock options with significant growth potential, emphasizing the importance of thorough research and strategic investment decisions. The collaboration between Toyota, BMW, and Plug Power signals exciting developments in the hydrogen power sector, but challenges such as revenue generation and financial stability remain crucial factors to monitor for Plug Power's future success.