Dear all,

I was wondering if anyone else has noticed the overwhelming smell of diesel fumes which seems to occur on the FGW^▸ (First Great Western) class 166 trains since refurbishment? It seems as though diesel fumes are drawn in through the air conditioning system as the smell is more or less uniform throughout the carriages. I find it to be completely unacceptable and wonder what the health implications might be, e.g. carbon monoxide, particulate matter.

I am very much put off travelling on these units until the issue is rectified.