| PyNe 11 | May 2001 |
| PyNe 12 | September 2001 |
| PyNe 13 | May 2002 |
| PyNe 14 | September 2002 |
| PyNe 15 | March 2003 |
| PyNe 16 | September 2003 |
| PyNe 17 | April 2004 |
| PyNe 18 | April 2005 |
| PyNe 19 | February 2006 |
| PyNe 20 | July 2006 |
| PyNe 21 | December 2006 |
| PyNe 22 | June 2007 |
| PyNe 23 | August 2007 |
| PyNe 24 | |
| PyNe 25 | December 2008 |
| PyNe 26 | December 2009 |
| PyNe 27 | June 2010 |
| PyNe 28 | December 2010 |
Task 34: Direct Thermochemical Liquefaction