Resources are considered non-renewable if they take a very long time to be created (e.g. fossil fuels) or if their creation happened long ago and is not likely to happen again (e.g. uranium). Primary energy flows are almost always renewable. On the other hand, biofuels are renewable and definitely count as fuels
Accelerating the global energy transition
Power Solutions for a Brighter Future
eAll sources of renewable energy are used to generate electric power