I work in the pipeline gas company. We did the calculations. In terms of calorific value alone, bottled liquefied gas is the most expensive, followed by electricity, pipeline gas and coal. But bottled liquefied gas is the most convenient, and its installation and use are not restricted. Now it is delivered to your door, so don't worry about refueling. If you cook with an induction cooker, the temperature is not high enough and the taste is not good. The capacity increase fee of the power company is estimated to be unaffordable for the general operators. Pipeline gas is clean and cheap, but the initial installation procedure is complicated, and the initial installation fee ranges from tens of thousands to hundreds of thousands, which is also very expensive. If you use coal, you have to have a place to store it. It's a little dirty. To sum up, if there is access, choose pipeline gas; If you have enough space, use coal; Do not have the above conditions, the use of bottled liquefied gas.