Monthly Archives: September 2009

As I wrote last week the environmental impact is not a health issue alone. Below, I allow the scope to be broadened to cover also energy use and carbon dioxide emissions. The total scope now coinceedes with the European Directive … Continue reading →

The emission performance of the buses has improved a lot the last 20 years. The gradual decrease of the emissions from Euro I to Euro V, that will be introduced in a few weeks, has contributed to the improved air … Continue reading →