Reagir à crise do petróleo

Posted in Internacional, Portugal by António Luís Vicente on 10 Junho, 2008

Apostar em veículos de elevada eficiência energética:

Dr Purves claimed that the use of one wheel instead of four gave great economy of power. This seems highly doubtful. Dr John Purvis had set up the West of England Electricity Company, so he was presumably not a solitary eccentric. This picture and those below from Popular Science (USA magazine) sometime in 1932. (toda a história aqui