Although Koetter Kim has produced some expensive-looking ideas, such as building a funicular railway to link the main station with the city centre, Mr Moore insists that the new vision will be affordable.

ECONOMIST: Yorkshire

Such fibers are abundant and could supply 130 million gallons a year of ethanol that would replace gasoline, although it is still expensive when compared to corn-based ethanol and some early trials have ended in disappointment.

FORBES: Can Ethanol Cut Foreign Oil Imports?