Great Western Railway paints its trains green, but their InterCity Express Train 800313 goes a step further, declaring its part on reducing traffic congestion and carbon emissions. It is seen at Exeter St Davids on a train from London to the West.
<a href="//commons.wikimedia.org/wiki/User:Geof_Sheppard" title="User:Geof Sheppard">Geof Sheppard</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>