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New parking regulations have come into force which will allow CCTV cameras to be used in issuing parking tickets. Do you think this is fair?

Do you agree with our selection of the 50 ugliest cars ever or have we got it all wrong? Perhaps you own one and want to defend it… let us know!

Ken Livingstone has announced that from October the London congestion charge will rise to £25 for the most polluting cars. What do you think?

New cars are cleaner, safer, cleverer and quicker than anyone could imagine but do you agree that this is not a good thing?

Nobody likes them, but do we need them to prevent mayhem and carnage? Or maybe you have a better solution? Have your say here…

It's the sort of car you secretly want to own, but can't because to do so would leave you feeling pangs of guilt. What's on your list?

What are the best, weirdest, fastest, slowest police cars you have ever seen on the road?

What do you think of the new Jaguar XF? Will this car save Jaguar from the axe?

We've published our list of the 50 coolest cars ever. But do you agree with our choices?