<p>➀ The University of Saarland's research team, led by Professors Stefan Seelecke and Paul Motzki, has developed a new climate technology that is more energy-efficient and sustainable than current methods. </p><p>➁ The technology, called Elastocaloric, uses thin wires and sheets made of nickel-titanium to transport heat through deformation. </p><p>➂ The team is working on prototypes for vehicles and aims to have the technology ready for practical use within five years.</p>