Looking for clues.

Environmental permitting for new lith-ion manufacturing facilities with NMP toxicity issues could become more difficult. Germany, which has extremely high environmental standards, has not permitted the kinds of facilities that have been built with government assistance in the United States. Electrovaya believes it may have the opportunity to licence its technology to larger companies that face this problem. "It also means our capital costs are dramatically lower, our operating costs are dramatically lower so we can build a battery at a much better price," says DasGupta.

http://www.theglobeandmail.com/globe-drive/culture/technology/toronto-company-makes-a-non-toxic-battery-for-green-cars/article4260264/