| Part of a series about |
| Sustainable energy |
|---|
 |
| Overview |
| Energy conservation |
| Renewable energy |
| Sustainable transport |
 | This is the template sandbox page for Template:Sustainable energy (diff). |
| Part of a series about |
| Sustainable energy |
|---|
|
| Overview |
| Energy conservation |
| Renewable energy |
| Sustainable transport |
| This is the template sandbox page for Template:Sustainable energy (diff). |
