Explores spacecraft electrical power sources, including solar panels, batteries, fuel cells, and radioisotope generators, with examples from past space missions.
Discusses losses in batteries, fuel cells, and electrolysis, as well as fuel cell electrical efficiency and a comparison between hydrogen and methane fuel cells.
Explores small turbo machines for energy efficiency in heat pumps and decentralized electricity generation, with potential significant impact on the energy transition.
Explores energy savings in public transport, emphasizing the benefits of collective transportation over individual vehicles and the importance of transitioning to renewable fuels.