What element is the best fuel for a fire?

Answer:
In a house - Hydrogen.

It gives off heat when burnt and has non-toxic products of combustion (water vapour).

It doesn't damage the atmosphere when used as a fuel as no carbon dioxide is produced.

Out of doors - carbon.

Readily available. Non-toxic products of combustion.

First answer by Plucas. Last edit by Plucas. Contributor trust: 1281 [recommend contributor recommended]. Question popularity: 2 [recommend question].