Wind, sun, H2 and energy recovery – Climate change and economic efficiency demand that we rethink the way we generate and use the energy we need and break new ground. Wind power, photovoltaics and hydrogen are currently in the spotlight as green energy sources. Geothermal energy and heat pumps are being promoted as replacements for heating systems that still run on fossil fuels.

The general conservation of energy is a highly topical issue. In addition to this, we should also examine how residual energy that is currently released into the air or water can be made economically usable.