User Score
4.7

Mixed or average reviews- based on 11 Ratings

User score distribution:
  1. Positive: 5 out of 11
  2. Negative: 5 out of 11

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Metascore
63

Generally favorable reviews - based on 18 Critics

Critic score distribution:
  1. Positive: 12 out of 18
  2. Negative: 1 out of 18
  1. Reviewed by: Calvin Wilson
    Nov 23, 2011
    75
    Lacks the urgency of "Who Killed the Electric Car?" But Paine's thorough knowledge of his subject, and engaging way with an interview, make the follow-up film a fun ride.
  2. Reviewed by: Steven Rea
    Nov 17, 2011
    50
    Feels more like a postscript than a probing, provocative documentary.
  3. Reviewed by: J.R. Jones
    Nov 10, 2011
    50
    I'd have preferred less personality stuff and more hard information about the current technical and commercial challenges, but if polishing these guys' egos is the only way to make them do the right thing, then so be it.