On 14 May, 10:03, Brian Whitehead  wrote:
> On 14 May, 09:34, Doug  wrote:
>
> > > > OK then lets try another comparison. A litre of petrol represents
> > > > about 10kWh of energy, now compare this with the cost ofelectricity.> > > > 0kWh primary units = 157p without VAT added, considerably more
> > > > expensive than petrol. especially when petrol tax is removed.
>
> > > More lies, Gollum?  I pay 10.76p per unit, inclusive of VAT:http://www.rspbenergy.co.uk/ForYourHome/OurPrices.aspx
>
> > > I make that £1.08 for 10kWh of energy i.e. almost exactly the same
> > > price as petrol.
>
> > Once again you are trying to cherry pick the cheapest instead of an
> > average, in your fruitless quest to try to justify the extraordinarily
> > low price of petrol.
>
> No, Gollum, I am citing the actual price I pay.  I doubt it is the
> cheapest - I haven't checked for a couple of years.  You, on the other
> hand, plucked a figure of 15.7 p out of your anus to try and prove
> your point.  The technical term for that is "lying".
>
You are having your reading problem again, Blackhead. The price I
quoted is for primary units. If my consumption was as high as yours
the price per unit would be reduced.
>
>
> > > In any case, Dung, petrol is a primary source of energy, whereaselectricityis a secondary source - by the time it reaches you, more
> > > than half of the energy the power company started out with has been
> > > dissipated as heat.  One should therefore expect petrol to be cheaper
> > > thanelectricity, as indeed it is if one strips out the tax element of
> > > both.
>
> > > That barrel has been well and truly scraped, but do continue - you are> > > giving us all a laugh with your increasingly desperate attempts to
> > > justify your inital lie.
>
> > > > How can you possible try to claim that the cost of petrol is not much
> > > > too cheap?
>
> > > Because it is bollocks, Gollum.
>
> > Wrong again, Blackhead. Petrol is not a primary source, oil is. A
> > great deal of energy is used in fractionating petrol and as for
> > comparative distribution just think of all those tankers and filling
> > stations and trips to the pumps to fill up.
>
> <Sigh>
>
> Once again, you show your ignorance of basic science.  The form of
> energy in petrol and other oil-based fuels is chemical potential
> energy.  Yes, some energy is required during the refining process (I
> have seen estimates that around 10% of the energy content of crude oil
> is used during refining), but the energy is not converted from one
> form into another.  To generate electricity, one must convert one form
> of energy (usually chemical potential, but sometime nuclear or
> kinetic) into another (electrical).  This entails huge losses - well
> over half the energy in the primary source is lost as heat.  Hence one
> would expect electricity to be considerably more expensive than petrol
> (on a kWh basis).  The fact that it isn't, but is in fact virtually
> identical in price, demonstrates once again that you are talking out
> of your anus.
>
You clearly reveal your ignorance as you completely ignore the overall
efficiency of 'well to wheel', which is abysmal compared to that of
most electricity applications.

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