Stories of a short, fat bastard.

Speaking as something of a professional in the field, the final answer is 'maybe'. There's a huge upside, but it goes along with major technical issues in setting up and maintaining the heat exchanger in an extremely harsh environment. Plus, our current government is utterly uninterested in seriously funding such things, for reasons that make people like me bang their heads against the wall.

Apologies for not being more specific. Commercial-in-confidence and such...