Söderena, Petri ; Kuutti, Hannu ; Pellikka, Ari-Pekka
Söderena , P , Kuutti , H & Pellikka , A-P 2021 , Euro VI diesel city buses NOx emissions monitoring . VTT Research Report , no. VTT-R-00567-21 , VTT Technical Research Centre of Finland ..  , 2021

Nylund, Nils-Olof ; Söderena, Petri ; Mäkinen, Reijo.
Nylund , N-O , Söderena , P , Mäkinen , R & Anttila , T 2020 , On route to clean bus services . in Proceedings of TRA2020, the 8th Transport Research Arena : Rethinking transport – towards clean and inclusive mobility . Liikenne- ja viestintävirasto Traficom , Traficom Research Reports , no. 7/2020 , pp. 12 , 8th Transport Research Arena, TRA 2020 - Conference cancelled , Helsinki , Finland , 27/04/20 ..  , 2020

Söderena, Petri ; Melin, Kristian ; Pettinen, Rasmus
Söderena , P , Melin , K & Pettinen , R 2020 , BioMet2020 project final report . VTT Research Report , no. VTT-R-01567-20 , VTT Technical Research Centre of Finland ..  , 2020

Söderena, Petri ; Laurikko, Juhani ; Kuikka, Keijo...
Söderena , P , Laurikko , J , Kuikka , K , Tilli , A , Kousa , A , Väkevä , O , Venho , A , Haaparanta , S , Nuottimäki , J , Lehto , K & Weber , C 2019 , Euro 6 Diesel Passenger Cars' Emissions Field Tests : Project Final Report . Lappeenranta University of Technology: Technology Business Research Center. Research Report , no. VTT-R-00636-19 , VTT Technical Research Centre of Finland ..  , 2019

Söderena, Petri ; Nylund, Nils-Olof ; Mäkinen, Reijo
Söderena , P , Nylund , N-O & Mäkinen , R 2019 , City bus performance evaluation . VTT Customer Report , no. VTT-CR-00544-19 , VTT Technical Research Centre of Finland ..  , 2019