Answer:
In Northern Italy, most factories use Natural Gas for energy.
Step-by-step explanation:
The most widely used energy sources in Italy are the petroleum products, coal, and natural gas. Especially the natural gas is the mainly used energy source in the industries and factories for the production of electric and heating purpose.
According to the survey, natural gas alone serves 36.7% of the total energy demand in Italy. It is also a safe and eco-friendly production of energy, so, the government is also promoting its use and export.