Spain’s Minister of Public Works and Transport, Jose Blanco, showing The King Spain’s high-speed trains. Spain’s high-speed train network will be the biggest in the world next year. The King then took a high-speed train to the opening of the ClimateWell factory in Soria. Photo: Josep Lago, AFP Photo.
The technique involves storing energy from solar cells in a saline battery, which can then both heat and cool down the immediate surroundings. This works best in hot countries where there is a lot of sun and considerable need for air conditioning.
In his opening speech, The King referred to ClimateWell as a typical Swedish example of how inventions can be used to solve key global challenges.