Is using Shell V-Power once every five tanks worth it?

Is a tank of Shell petrol V power every 5th fill worth it? Does it have a decent cleaning effect over one tank of fuel? Should I go with it consistently?

Is the shift from diesel pushing up the price of petrol cars?

I have seen two 2010 Mazda 6 Estate 2.0 petrol for sale for £9500 - £9750, with 19,000 and 29,000 miles. One is a private sale and the other is from a dealer. Most price guides give prices of around £7000....

Should I buy a Mitsubishi Outlander PHEV?

I am thinking of buying a Mitsubishi PHEV but have heard a rumour that Mitsubishi is pulling out of the UK. Should I worry and, if so, what alternative do you suggest that will tow a 1600kg caravan?

What's the best, used plug-in hybrid?

What are the best, used plug-in hybrids on the UK market currently?