In 2023, RD&D in hydrogen and fuel cells in the US stood at $215 million USD PPP, showing a consistent upward forecast with values rising to $241.03 million by 2028. The year-on-year increases from 2024 to 2028 are relatively modest, maintaining a growth trajectory between 2.5% to 3.5%. The CAGR over the five-year forecast period (2024-2028) is projected around 2.8%, indicating steady investment growth in this sector.

Future trends to watch for:

Technological advancements in hydrogen production and fuel cell efficiency.
Policy impacts, including subsidies or regulations, that might accelerate or decelerate investment.
Market demand for sustainable and renewable energy solutions driving RD&D funding.