Ask Honest John

Most recently answered co2 emissions questions
I work for the Ambulance Service and will be shortly looking to update my current lease car. The organisation imposes some restrictions upon my choice of car but it still needs to possess a number of qualities...
Hello. I am thinking of buying a Mercedes saloon between 10-20 years old. Pardon my ignorance but I dont know much about CO2. Is the car bound to fail MoT if it does not have a catlytic converter fitted?...
We are a retired couple living in London and spending half the year at our house in SW France. We’ve owned a fully loaded Volvo V70 T5 (02) since new in 2002, which we’ve used over the years to transport...
Car failed MOT on CO emissions today, CO 0.68% HC 145ppm, O2 1.11%, LAMBDA 1.03. They are trying a new lambda sensor, when I got home I noticed the oil temp reads 20 C, surely this is far too low? Could...
I have a continuous warning for check emissions although the car is running fine. My local independent garage ran a diagnostic check & came up with a DF209 code which is EGR Valve Position Circuit. As...
I am looking for a car that is petrol, auto, under 120g/km CO2 and a 5-seater hatchback. Any suggestions would be appreciated. If not available now, are any to come in the near future?
I would be greatly obliged if you could tell me what is the current amount of road tax due annually on a Peugeot 307 year 2007 1589cc petrol hatchback. The reason I ask is my renewal cost is £245 per annum...
I don't know where SP of Narborough gets his information about volcanoes negating every effort of mankind to control CO2 emissions. Like too many who enter the climate change debate, he doesn't identify...
If one wanted to be patriotic and buy something made here in the UK, can you identify (in a very small space) which models (Golf-sized, say) are made here? I drove a Volkswagen Golf for years before...
I was considering buying an electric car (EV), but couldn’t find any site on the Internet to tell me what the total CO2 emissions were for these vehicles. So, as an engineer, I did it myself. For diesel...
 

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