Green hydrogen is extracted from water via electrolysis powered by renewable energy, theoretically releasing no carbon emissions either in its production or consumption.
A sum of 3.7 billion euros from the fund was earmarked on Friday for infrastructure spending and for funding research in quantum computing, artificial intelligence and healthcare innovation.
A green shift in the transport sector, which generates roughly a quarter of global carbon dioxide emissions, is seen as important to help align with globally agreed climate goals.
Battery-powered trucks have often been dismissed as too costly to replace diesel trucks in many capacities, with batteries too heavy for long-haul freight.