Citroen C3 with engine stop at the traffic light

Engine off at the traffic light. Why this is in 2006 a fair novelty? Why this is not natural already since decades? Is to cheap energy blocking the advance?



Citroen C3 with engine stop at the traffic light
Engine off at the traffic light. Why this is in 2006 a fair novelty? Why this is not natural already since decades? Is to cheap energy blocking the advance?