20 July 2012
- 09:2709:27, 20 July 2012 diff hist +114 Human power →External links: added another commercial device Tag: n
- 09:1209:12, 20 July 2012 diff hist +429 Human power No edit summary Tag: n
- 08:5308:53, 20 July 2012 diff hist +24 Human power →See also Tag: n
- 08:4008:40, 20 July 2012 diff hist +72 Green tuning of vehicles →General tuning Tag: n
- 07:5607:56, 20 July 2012 diff hist −226 Improved solid biofuel stoves Improved terminology/intro Tag: n
- 07:4907:49, 20 July 2012 diff hist +93 Improved solid biofuel stoves →Different Improved Cookstove Designs Tag: n
- 07:3607:36, 20 July 2012 diff hist +22 N Jatropha oil Redirected page to Jatropha current Tag: n
- 07:3507:35, 20 July 2012 diff hist +25 N Compressed natural gas Redirected page to Natural gas current Tag: n
- 07:3007:30, 20 July 2012 diff hist +37 N Vegetable oil Redirected page to Vegetable fats and oils Tag: n
- 07:3007:30, 20 July 2012 diff hist +4 Plant oil as fuel No edit summary Tag: n
- 07:2607:26, 20 July 2012 diff hist +814 Natural gas No edit summary Tag: n
- 07:1507:15, 20 July 2012 diff hist +436 Biogas as fuel Improved article again a bit Tag: n
- 07:0707:07, 20 July 2012 diff hist +217 Biogas as fuel Improved intro Tag: n