Russell McMahon wrote:

> [...] and home cogen using old diesel engines is starting to look
> attractive. 

Possibly not for the neighbors... I'm not sure, but it seems to me that the
air pollution by old diesel engines may not be negligible once they get
used in a relevant scale.

As long as we don't have something like pollution vouchers, all
money-efficiency calculations are way off, at least off my priorities.

Gerhard
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