| PyNe 01 | March 1996 |
| PyNe 02 | October 1996 |
| PyNe 03 | March 1997 |
| PyNe 04 | September 1997 |
| PyNe 05 | March 1998 |
| PyNe 06 | September 1998 |
| PyNe 07 | March 1999 |
| PyNe 08 | September 1999 |
| PyNe 09 | March 2000 |
| PyNe 10 | December 2000 |
Task 34: Direct Thermochemical Liquefaction