Current engines meet Euro 4 emission standards, but a mere reprogramming of the engine management system brings them up to Euro 5.
 

All 'Solbus' products are built to the EU 2001/85 bus directive and are constructed from the high quality 1.4003 corrosion resistant steel.
 

Also 'Solbus' products comply with EU safety standards, such as ECE-R66 standard regulating structural rigidity, ECE-R14 standard regarding the stability of seat belt anchorage points and ECE-R17 standard concerning the inspection of the seats, their fixing points and also the headrests.