该法规将于2029年7月1日生效。政府表示，还将“鼓励在电动汽车热管理系统中开展天然制冷剂替代方案的研究与应用”。
【英文原文】
原标题：China Sets a GWP Limit of 150 for MAC Systems in New Cars
The regulation goes into effect July 1, 2029, with the government stating it will also ‘encourage the research and application of natural refrigerant alternatives in EV thermal systems.’
