My scooter is ticking over quite erratically - what's the issue?

I have Piaggio Medley 125 and tick over is very erratic. I've only done 1500 miles. Do you know what the problem is?

Apart from premium fuel, how do I stop my direct injection petrol engine becoming clogged?

I've recently bought a Toyota Auris with the 1.2 turbo petrol engine (and am very pleased with it so far). I intend to keep it for a good long time; at least 10 years, ideally. I understand that direct...

I stopped using premium fuel and got a huge dip in fuel economy - what do you think caused this?

I have an Hyundai Ioniq, which I've run exclusively on Shell fuels for the 5000 miles that I've had it. I was getting 60-62 mpg on the regular stuff, then put a tank of the V-Power in and got 64 mpg. I...