Corporate Responsibility

Bus - Number of Euro-Rated Engines

Average Age of Fleet Buses (Years)

Coach - Number of Euro-Rated Engines

Average Age of Fleet Coaches (Years)

The effect of increasing average speed on exhaust emissions (g)

Whilst we continue to invest in new engines which deliver improved environmental performance, an equally effective way to reduce emissions is by speeding up bus and coaches. The basic facts concerning emissions are similar to those relating to fuel consumption – optimum performance is achieved not at slow or fast speeds, but in the middle of the range (see chart above). This explains the important environmental benefit of bus and coach prioritisation.