
ISO 20400: Meaning, Standard and Requirements
1 min
Level
Discover what ISO 20400 is, how it works, and what sets it apart from other ISO certifications.
A fossil fuel is a natural fuel, such as coal, gas, or oil – and is formed from the Earth’s crust. Fossil fuels are extracted and used to be burned as fuel: such as for a train powered by coal. Fossil fuels are also used to provide heat or generate electricity.
