4. Compare LPG and wood as fuels.
|It does not produce smoke.||It produces smoke.|
It is easy to store and can be easily transported using pipelines.
|It takes a lot of space to store.|
|It has low ignition temperature||It has a high ignition temperature|
|It does not cause environmental pollution||It leaves un-burnt carbon particles causing air pollution|
|Calorific value is higher.||Calorific value is lower.|