Investors have been eyeing hydrogen stocks for over 30 years amidst the growing interest in clean energy solutions. Despite its potential as a clean energy alternative, hydrogen production remains costly compared to traditional fossil fuels. Concerns regarding storage, transportation, and public acceptance pose challenges that the industry is yet to fully address. Large energy companies provide a safer investment option in the hydrogen sector, albeit with less growth potential. However, for those seeking higher returns, exploring inexpensive hydrogen stocks like Plug Power (PLUG), Bloom Energy (BE), and Ballard Power Systems (BDLP) could be lucrative. Plug Power, with its recent conditional commitment from the U.S. Department of Energy, faces challenges due to short selling and congressional scrutiny. Bloom Energy's focus on stationary power systems and partnership with Shell offers long-term potential. Ballard Power Systems stands out with a recent order for hydrogen fuel cell engines, positioning itself as a leader in heavy-duty mobility. Despite hurdles, hydrogen investment presents unique opportunities in the energy market, with stocks like PLUG, BE, and BDLP showcasing both potential and risks for investors.