That means no pumps, and allows light, composite materials to be used for its tanks a considerable saving in weight.

ECONOMIST: On a rotor-blade and a prayer | The

The biggest losers will be inefficient local producers, such as one in Samara, in southern Russia, where the decrepit town brewery, featuring fermentation tanks with flaking linings, nasty smells and beer brewed to purists' horror from sugar and rice, has fought off all outside interest.

ECONOMIST: Russian beer