Source:: John Robertson ‘More on hydrogen buses’ by reader Alasdair Macdonald and further comment by Broadbield   The average age of buses in Glasgow is 10 years (cf Lothian buses, municipally owned, at arms’ length, is 4 years). So, not many hydrogen powered buses there, or even mildly green ones. Glasgow is to become a Low Emission Zone at the end of this year and the city government has been criticised by environmental groups for a ‘lack of ambition’. One of the main sources of pollution is diesel powered vehicles, of which buses are a major… Read the […]