Advantages + Disadvatages

Advantages of Coal

- Relatively high energy content

Disadvantages of Coal

- Non-renewable
- High level of emissions

Advantages of Natural Gas

- Relatively high energy content
- More efficient than coal for electricity production

Disadvantages of Natural Gas

- Non-renewable
- Polluting, but less than coal and petrol

Advantages of Biogas

- Renewable
- Made from waste
- CO2 absorbed during photosynthesis

Disadvantages of Biogas

- Low energy content
- Supply of waste raw materials limited

Advantages of Petrol

- High energy content
- Ease of transport

Disadvantages of Petrol

- Non-renewable
- Polluting, but less than coal

Advantages of Bioethanol

- Renewable
- Fewer particulates produced than petrol
- C02 absorbed during photosynthesis

Disadvantages of Bioethanol

- Limited supply of raw materials from which to produce it
- Lower energy content than petrol
- May require use of farmland otherwise used for food production