Gas Prices in Europe

Europe is so dependent on russian gas for heating, and i'm talking now about propane, not about gasolene. The gas market in e where a lot of the residential heating comes from as well as heating everything else. If we get to freezing temperatures in europe, and all of a sudden there's a political escallation and russia shuts the valve off,. I've heard a lot of different analysts talk about how big of a deal that would be for europe. And what can be done between now and the fall to mitigate those risks?