List any four characteristics of a good fuel

List any four characteristics of a good fuel.

Characteristics of a good fuel:

  1. It should possess low ignition temperature.
  2. It should not leave residue after burning, i.e., it should bum completely.
  3. It should bum without producing too many pollutants.
  4. It should be easily available and accessible.
  5. It should be economical.
  6. It should be easy to store and transport.