GIlly,

I hate to raise it but isn't there an old maxim that says something that 
appears to be to good to be true probably is?

There's so little hard data to be had about the oil from plastic machine that 
it raises far more questions than it provides answers. Questions that occur to 
me are to wonder how much energy the conversion process consumes. Heating a 
significant mass of plastic to well past boiling point requires significant 
energy. Quite possibly more than is then available from the oil generated. I'd 
also have serious worries about the safety of the machine in terms of its 
"exhaust" gasses. Modern plastics are full of numerous additives, some of which 
are pretty nasty once heated and released. Bubbling the gas through water will 
I fear not scrub-out the nasties so what happens to them – either short term or 
long term? Also, what happens to the plastic residue, a soup of potentially 
nasty stuff?

There's also the fundamental point that converting waste plastic into oil, 
while potentially extending the life of our oil-based economy, does nothing to 
combat warming. It will likely make it worse. We need to burn less oil, not 
more. Plastic, waste or otherwise, locks-up a fair bit of carbon. Converting it 
to oil (and using significant energy to do so) which is then simply "burned" in 
CO2 producing processes is surely the last thing we should be doing.

Sorry this is so far off-topic. I'll pipe down now.

Phil

--
Phil Ward
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On 27 Nov 2010, at 15:34, Gillian Snoxall wrote:

> 
> I have Jason's permission to send this non-Mac subject to the list – just 
> this once!
> 
> This wonderful invention is the best news the world has had for a long time, 
> and it deserves to get as much publicity as possible. Please do your bit by 
> passing it on to all your families and friends, and ask them to do the same.
> 
> http://ourworld.unu.edu/en/plastic-to-oil-fantastic/
> 
> Best wishes,
> 
> Gilly
> 
> 
> 
> 
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