On Feb 22, 9:31*pm, mick wrote:
On Wed, 22 Feb 2012 03:20:52 -0800, Man at B&Q wrote:
On Feb 22, 11:16*am, Lee wrote:
On 22/02/2012 09:42, tony sayer wrote:

But there are still serious problems with implementing these the main
one is the primary power system. Batteries, unless someone does
invent one that is neigh on 100% efficient and has much greater
capacity and costs and weighs sod all, will always be their great
limitation.

There is another problem here, namely that if a much higher density
portable energy solution was developed it would have too much potential
to be "unsafe".
Whether deliberately or not.

knobheads++

You mean like a tankful of petrol or diesel?

MBQ

Have you ever tried setting fire to diesel?

And your point is?

The discussion was about energy density, not flammability.

MBQ