How can a Euro5 diesel van be ULEZ compliant?

I'm considering buying a 2016 Renault Trafic S127 Energy dCi panel van (66 Plate) and have checked online with Transport for London's ULEZ Checker and it seems to be compliant. The problem is that I understand...

Can you recommend a reliable Euro6 van for working in London?

I have a friend who operates a Mercedes-Benz Sprinter LWB for a living in South East London and he will shortly need a Euro6 model to keep costs down for his central London trips. My friend's 2011 Sprinter...

In view of changing legislation, would buying a Euro 5 pick-up be a mistake?

I had a test drive of the Mitsubishi L200 yesterday. It's much better than the old one. Am I right in thinking that some of the first series were Euro 5, whilst the new ones are Euro 6? In view of changing...