Passengers are driving those behind the wheel around the bend to such an extent that many motorists would rather travel alone, new research reveals. So which passengers annoy you the most? The Sleeper? The Leaker? The Know It All? Anton's had his own experience of Matt's co-driving tendencies, but what ones irk you?

Also discussed in a busy motoring news week was Anton's proof he has known The Stig's identity for over a year, why people are unnecessarily paying twice for breakdown assistance, the new registration regulations for imported vehicles, and Transport Minister Noel Dempsey's proposal that Ireland should have a single fuel tax..