How can I reduce the emissions in my car to get it through an MoT?

I've changed the catalyst, charcoal canister, lambda senser, map senser, also checked the rubber tubes in the engine bay. Is there anything I can do to solve this? I've just failed an MOT.

Can you recommend an environmentally friendly, safe and fun car for my sister?

My sister is starting a job with a reputable energy company, and she feels that she needs to drive something economical and efficient. However, my mother wants her to drive something as safe as possible....

Bumping up the costs

Has anyone ever done the CO2 calculations on speed bumps? If you decelerate and accelerate (even be it sensibly) there is a CO2 implication in the extra fuel and brake wear (presumably CO2 is generated...

High rider

I am looking to replace my VW Polo and would be grateful for your advice on the best small car with zero road tax I have been thinking about the Toyota Aygo. My driving is mainly around the town and I...

Can I leave my Peugeot 3008's EGC gearbox in automatic mode?

Can you explain the workings of the EGC gearbox on the HDi 110 engine? The CO2 is only 130 vs 137 for the manual version (the HDi 163 that I originally favoured omits 173). Can one just leave it in automatic...

How can I repair my Vauxhall Corsa so it passes the MOT emissions test?

My 1999 Vauxhall Corsa just failed its MOT on emissions. I can't afford to let the garage put it right so I need to have a go myself, but I have no idea what is causing the problem. How do I find out?

Can you recommend an automatic car with low emissions for £20,000?

I am looking to buy a new car with automatic transmission, and wish to stay below the 120G/km CO2 limit. I have a budget of £20,000 in mind, and performance is not that important. I know about the Toyota...

Out of Focus

A friend is thinking of changing her 3-year-old Ford Focus Diesel manual for another car. Could you advise what types of similar mid range cars are available (including the Focus) but with an automatic...

Which emissions road tax band is my 3-month-old Ford Mondeo in?

I have just bought a 3-month-old Mondeo Zetec TDCI 140 registered in April 2010. The garage advertisement claimed 139g/km CO2 and road tax of £110 a year. However, section 10 of the V5 form I was given...

Shrink wrapped

I am writing to seek your advice about the purchase of a new Volvo S80 DRIVe and would appreciate your views about the current quality of Volvo cars. I am taking one out for a test drive tomorrow and from...