https://sg.news.yahoo.com/air-conditioning-tops-motorists-apos-102002194.html https://jacobinmag.com/2018/08/air-conditioning-climate-change-energy-pollution https://www.sydmech.com.au/ https://www.businesswire.com/news/home/20180927005842/en/Saudi-Arabia-Air-Conditioner-Market-2018-2024-Market
http://www.digbycourier.ca/wheels/clearing-up-misconceptions-about-you-vehicles-air-conditioning-243565/