Photo-Credits
Particular reference to source for the acquired photos at the website:
| Picture | Position | Agency/Name/Source | Author |
| Slider | istockphoto 000060223402X Wasserstoff Fuel Cell für Alternative Fuel Fahrzeuge |
© P_Wei | |
| Slider | istockphoto 181530805 Gas-fired boiler |
© Grassetto | |
| Slider | istockphoto 530581993 Orange Batterie bank |
© thongseedary | |
| Product-Examples | Staiger GmbH & Co. KG | © Annette Cardinale | |
| Product-Examples | Staiger GmbH & Co. KG | ||
| Banner | istockphoto 000052369150 Electric Car |
© Jirsak | |
| Banner | istockphoto 496267367 Sich auszubreiten und zu entspannen |
© PeopleImages | |
| Banner | istockphoto 480267515 |
© Remains | |
| Banner | Fotolia 175771326 Business Process management and automation concept, automated workflow, gears, businessman |
© NicoElNino |
