Dunno all the details of this scheme...
...but if it consumes as much CO2 while creating the e as it releases when the e is used, then it is just as clean (CO2-wise) as nuclear.
Off Topic » in reply to "Good" CO2 and "bad" CO2
...but if it consumes as much CO2 while creating the e as it releases when the e is used, then it is just as clean (CO2-wise) as nuclear.