For an electric car to deliver the best capabilities and comfort, the temperature of its components and cabin must be managed effectively. Batteries and control units that get too hot during operation, for example, can cause degraded performance, charging and range issues. Ineffective cabin heating and cooling solutions, similarly, can result in excessive power draw … Continue reading All-electric Audi Q4 e-tron features two cooling loops, R744-charged heat pump
The Society of Automotive Engineers and Daikin are reportedly working to assess the performance and safety of a new refrigerant blend called D1V140 that is 77 per cent R1234yf, with the rest being a mystery Daikin-developed product called HFO1332(E). D1V140 is said to deliver better heat pump performance than YF, which has been found to reduce system capacity by … Continue reading Daikin developing YF blend for EV heat pumps
Audi’s Q7 e-tron made headlines last year upon its unveiling at the Geneva motor show, billed as the world’s first TDI plug-in hybrid with quattro drive and the first plug-in hybrid with a diesel engine from the German prestige marque. With a 3.0-litre six-cylinder oil-burner and electric motor on-board, the big SUV emerged with 275kW … Continue reading Audi Q7 debuts cutting-edge heat pump tech
