(05 Apr 2016, 10:00 am)S813 FVK Solo page on Optare website confirms that a Euro 6 option is available:
http://www.optare.com/solo
9104 is Euro 6, too.
(05 Apr 2016, 10:00 am)S813 FVK Solo page on Optare website confirms that a Euro 6 option is available:
http://www.optare.com/solo
9104 is Euro 6, too.