Now this is what I want. A laptop that can run for ten hours and, even better, can be refueled by simply adding some fuel rather than plugging it into a power socket for hours. No more need to travel with electric plug adaptors. No more need to be constantly on the lookoot for electrical sockets in cafes. Tremendous.

Taken together with recent announcements indicating that relatively low concentration methanol solutions can be taken onto aeroplanes safely, this may be an indication that this market is starting to emerge.

The market is starting to emerge? Get a working version of this product onto the market and the result will be like being run over by a steamroller.