Coal and Petroleum

The video explains how machines and humans require energy, with machines using fuels like coal, petroleum, and natural gas. It details the formation of these fossil fuels from ancient organic matter and their uses over time. Coal is abundant and used for electricity, while petroleum and natural gas are formed under the sea and extracted for various products. Natural gas is highlighted as a clean and preferred fuel for vehicles and power generation.

How has the use of coal evolved from ancient times to today?

What is the significance of the term 'black gold' in relation to petroleum?

Why is natural gas considered the cleanest fuel?