(03 Aug 2015, 8:22 pm)MurdnunoC wrote Are you on about the 'Tyneside Toughened' glass?
If so, it is used in vehicles all over the world - buses included.
http://www.tynesidesafetyglass.com/indus...sport.html
Tyneside Toughened Glass is used quite a lot, though sometimes the windows aren't always branded. Apparently they have a factory in Germany.
Whilst we're on about it, I was actually suprised to find glass with the Tyneside Toughened logo on buses and trains in Belgium.