The Bus Enthusiast news site lots.org.uk announced on 18th July that 

All but five of the large volume of {Bus Type} LTs for route 73 are now in service {at Arriva's Phillip Lane Tottenham Garage}, and as a result more Arriva {hybrid vehicles of Class } HVs are now on route 141, in turn allowing a {displacement} cascade to begin of 13-reg DWs {from Palmers Green and Wood Green} to Croydon to replace 03-reg  examples of the same class

Residents should notice a reduction of nitrogen oxide and particulant nuisance along the Green Lanes (A105) corridor