Crude oil (oil in its natural state) is extracted from underneath the earth's surface and is then heated to 370 degrees centigrade. This seperates the different fuels that are derived from oil such as Petrol and Diesel. Those fuels are then modified slightly and are used to fuel cars.
Oil
Oil
Oil
Coal, oil, uranium Sun, wind, and water are now being used for energy.
The use of oil as an energy sources allows you to fly almost anywhere in the world quite easily.
oil
Oil
Oil has a reserve of chemical energy. If we burn it, that gets converted to heat energy.
another source of energy must be used to make electricity
The second source of energy for your body, after Carbohydrates (straches, sugars), are the Lipids (fats: oil, butter).Lipids are used for long term energy storage (days to years)
The sun
Oil