IIR 2023 conference in Ohrid: focus on CO2 heat pumps

As demonstrated at the last IIR conference in Ohrid , heat pumps are a potential development area for the use of CO2, in particular for the thermal management of electric vehicles.
 
CO2 (R744) was the dominant topic at the last IIR conference in Ohrid in April 2023, featuring in 27 of the 39 papers presented.