![Smile :)](./images/smilies/icon_smile.gif)
![Smile :)](./images/smilies/icon_smile.gif)
If anyone else has an ebook reader... this is an excellent read: http://www.ivor.org/withouthotair (there's a web and pdf version too) makes a refreshing change from the usual arguments about energy in the media - nice for someone else to do all the hard maths for you so you can argue with confidence at the pointlessness of hydrogen cars or roof wind turbines.