dimanche 18 novembre 2007

Move over corncobs, these guys run on air - International Herald Tribune

Move over corncobs, these guys run on air - International Herald Tribune: "In the push to free the auto industry from its dependence on oil, all kinds of alternatives are being tried. Consider now the refreshing concept of cars that run on air. The idea sounds simple: compress air and release it to operate a piston engine. But the execution is difficult, and in one form or another it has occupied engineers since the 19th century. One of the latest is Guy N�gre, a Frenchman who founded Motor Development International, now MDI Enterprises, in Carros, France, in 1991. He produced his first compressed-air engine five years later. 'We've developed 14 vehicles and have three running prototype cars,' N�gre said."

samedi 17 novembre 2007

Hydrogen fuel comes a step closer - Telegraph

Hydrogen fuel comes a step closer - Telegraph: "The dream of using hydrogen, the most plentiful element in the universe, as a green fuel to cut climate change moves a step closer today with the announcement that it can be made with the help of bacteria."