The No.1 greenest automaker is BMW and 26 in the world.
Tesla only 8th greenest automaker, BMW is best, says Newsweek - news from Allwebsolutions.net
here is the list
http://www.newsweek.com/green-2015/top-green-companies-world-2015
I hope Tesla will make it to top 50 in next year when the mega factory opens.