There have been reports of some car dealerships closing down and their premises being put up for sale.

What's the reason behind this?

Michael Sheridan discussed the pressure facing manufacturers "to go big or get out".

He also looked at whether home breathalysers are a good idea, given the recent changes to drink driving laws, and how they could help those who may not realise they are over the limit.

To catch the full chat press the play button on the image on the top of the screen