Re: Remotly turning PCs off

"John Jordan" <junk@xxxxxxxxxxxx> wrote in message
news:41m7n4F1fdc20U1@xxxxxxxxxxxxxxxxx
> Alex Fraser wrote:
> > "John Jordan" <junk@xxxxxxxxxxxx> wrote in message
> > news:41lvqpF1ehniuU1@xxxxxxxxxxxxxxxxx
> >>If anyone was intrigued by this statement, I worked out the CO2 output
> >>of running a 100W PC for an extra 16 hours a day as being similar to
> >>driving 50 miles in a reasonably efficient car.
> >
> > I'd be interested in how you worked that out.
>
> Took a roundabout route and multiplied a factor the wrong way around :-)
>
> Better version gives about 15 miles - to clarify, that's for the same
> CO2 output as 16*7 hours of unnecessary 100W PC idling.

OK, that's quite different. Now the distance seems a bit low :).

> Car CO2 output (@ 35mpg): 0.3 kg per mile
> UK electricity generation: 0.43 kg per kWh

How did you come to these figures?

Alex


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