| 22 May 13
-
Fish Information & Services |
| 22 May 13
-
TCPalm |
| 22 May 13
-
BioFuels Journal |
| 22 May 13
-
Energy Digger |
| 22 May 13
-
BusinessWeek |
| 22 May 13
-
Journal of Physical Chemistry A |
| 22 May 13
-
Environmental Science & Technology |
| 22 May 13
-
Google News (biofuel) |
| 22 May 13
-
Red Orbit |
| 22 May 13
-
Seeking Alpha |