I cannot recall a source as I read it at multiple places and the math made sense. This was the first link that showed up when I googled just now. https://www.th

I cannot recall a source as I read it at multiple places and the math made sense. This was the first link that showed up when I googled just now. https://www.theguardian.com/environment/green-living-blog/2010/sep/23/carbon-footprint-new-car https://www.theguardian.com/environment/green-living-blog/20...