A study predicts that 400 million cars will be hydrogen-powered by 2050. The study also forecasts the development of hydrogen fueling infrastructure, with one report suggesting there will be 5,000 hydrogen fueling stations by 2032. Additionally, the cost of hydrogen is expected to decrease significantly, with one report estimating a decline of over 95% by 2050, although the relevance of other technological and environmental trends to this prediction is unclear.