Is it possible to modify a Euro5 engine to comply with Euro6?

Is it possible to modify a Euro5 engine to comply with Euro6? If so can the compliance be registered so the vehicle can go to clean air zones without penalty

Do I need a Crit'Air vignette for an electric car?

Do I need a Crit'Air vignette for my Mercedes EQA for Cherbourg and the surrounding region?

Is my father's Citroen Saxo ULEZ compliant?

My father owns a 1996 Citroen Saxo 1.1 which he only drives occasionally. Our problem is that we live in Bexley which is going to be part of the ULEZ at the end of August and we are very confused about...

Am I paying too much road tax for my 2009 Ford Fiesta van?

I've had a Ford Fiesta base van (1.4-litre TDCi) since 2017, but my road tax seems quite hefty? I annually pay around £265 to £270. Am I paying too much?

How do I appeal the ULEZ charge and avoid paying the daily fee?

My wife and I drive a diesel Volvo XC70 (first registered in 2006) and a Volvo XC60 (2013 model). Both have very low emissions readings on their MOTs and we have a property just within the South Circular...

Do old buses have a special permission to emit lots of smoke?

I regularly end up following 2004 registered double-decker buses around Huddersfield. The exhaust is that bad that I have to put the air-con recirculation on to avoid a car full of smoke. I'm assuming...

I want one last great diesel estate car. What would you recommend as a simple option?

I drive 25,000 business miles per year and do not think battery-electric would be suitable for my next vehicle. I recently saw an advert for the advanced technology on an Audi diesel and it frightened...

Will petrol motorbikes be subject to higher road tax and emission controls in the future?

As a motorbike owner and enthusiast, I'm keen to know what the future holds for these petrol vehicles and whether they are likely to be subject to higher road tax, vehicle emission controls or taxation....

Ford has suddenly stopped selling the 1.5-litre Focus I ordered. Is the replacement 1.0-litre engine any good?

I ordered a Ford Focus Active X 1.5 Ecoboost prior to the Covid crisis. Ford have now informed the dealer that the specification will be changed to a 1.0 mild hybrid ecoboost without explanation. The dealer...

What is the engine Euro emission rating of my car?

How can I check the engine Euro emission rating of my car? I own a 2005 Honda Civic Type R and it is on the margin date wise. Is there an easy way to check?