The transition to a fully decarbonized energy system was always bound to be a very costly, yet vital, undertaking. Therefore, the industry will have to rely on government funding to a large extent for the foreseeable future should the transition be achieved in a timely and efficient manner. Europe and the United States have set in place a number of funding programs designed to boost and accelerate the development of a very diverse ‘clean energy sector’, which is being backed by significant initiatives from the major players coming from the more established maritime and oil and gas industries, which are becoming increasingly aware that the clean future has no other alternative.