How do I register for the ULEZ zone in Madrid?

I am transiting through Spain later in the year and need to stop in Madrid overnight to catch up with an old friend. I have searched extensively on the internet but cannot find anyway of booking the necessary...

Can I modify my car to make it ULEZ-compliant?

I have a 1999 Nissan Primera which does not comply with ULEZ emissions regulations. My only option is to scrap the car, but I will not get money for it from TfL because I am not on any benefits. My query...

Will ULEZ compliance rules change again in the future?

Hi, I am having to change my beloved Volvo D4 for a ULEZ compliant car. If I buy a Euro 6 compliant vehicle, is the Mayor likely to change the criteria for vehicles and their emissions in the coming years...

What do the different letters after Euro 6 mean?

I have looked at two identical cars of a similar age but when you go on the DVLA vehicle check site they have different emissions. One is registered May 2019 has CO2 113g/km and euro status EURO 6 W. The...