On Tue, 23 Nov 2004 19:22:31 +0000, David Billington
wrote:

Gunner was asking about propylene which is very similar to what we in
the UK refer to as MAPP gas, although that is a brand name.

Why is it that here in the UK MAPP is still a rarity and using
propylene as a fuel gas is unheard of ? Is it commonplace in the US?