> The key to understanding why is that it's much easier to do useful things with electricity than it is with a hunk of coal or a glob of crude oil. What??? Try

> The key to understanding why is that it's much easier to do useful things with electricity than it is with a hunk of coal or a glob of crude oil. What??? Try to fly a plane with electricity, or replace oil in the merchant ships that make globalisation possible... (spoil: the reason why we currently mostly depend on fossil fuels is that it's obviously a lot easier to use).