Yep, total garbage that ignores reality, scaling up, Tesla's conversion to solar power as it scales up and the future:
http://www.popularmechanics.com/cars/hybrid-electric/news/a27039/tesla-battery-emissions-study-fake-news/
Also, even if it were accurate, why does that goofy site you got your news from even seem to think that it'd be any sort of an issue if more CO2 was produced? That sure seems to go against the notion that CO2 production by man is irrelevant, which is kinda central to denying the existence of our influence on climate.
I really do think it's a crappy article and an equally crappy way to interpret that study.
Further thoughts, Jay?