Gas generally has a lot of problems, firstly it is very expensive, secondly, temperature changes can lead to the expansion of this gas and everything will explode, it is very dangerous, thirdly it is not very healthy for the environment. I'm already telling all my friends to switch to solar systems. You can read the article to choose the best one https://www.propaneva.com/best-off-grid-solar-system/ For myself, I have decided for a long time that I will use only alternative energy sources, and my car is charging from solar panels