What does this traffic sign indicate?

This traffic sign indicates the presence of an LPG (Liquefied Petroleum Gas) filling station. In Germany, this sign is crucial for drivers of vehicles that use LPG as fuel, providing them with information about where they can refuel.

It's also part of a broader set of regulations aimed at supporting alternative fuel sources and environmentally friendly transportation options. Recognizing such signs helps drivers make informed choices about their fuel options and ensures they can find necessary resources while traveling.