Avenio refers to the new line of low floor tram

Tram

A tram is a passenger rail vehicle which runs on tracks along public urban streets and also sometimes on separate rights of way. It may also run between cities and/or towns , and/or partially grade separated even in the cities...

 produced by Siemens

Siemens AG

Siemens AG is a German multinational conglomerate company headquartered in Munich, Germany. It is the largest Europe-based electronics and electrical engineering company....

 Transportation Systems. The current line of Combino

Combino

The Combino is a low floor tram produced by Siemens Transportation Systems . The first prototype was produced in 1996 at the Duewag works in Düsseldorf; the trams are currently made in Krefeld-Uerdingen. Because of its modular design using standardised components, and the resulting reduced costs,...

 model trams is expected to be superseded by the new line of Avenio trams. Existing design technologies used for the Combino Plus range have been used to create the new line, and Siemens have referred to their Combino Plus trams in Sul do Tejo (Portugal) and Budapest (Hungary) as being part of the new Avenio range.

Just like existing Combino models it utilizes modular design

Modular design

Modular design, or "modularity in design" is an approach that subdivides a system into smaller parts that can be independently created and then used in different systems to drive multiple functionalities...

using standardised components, and the resulting reduced costs.