Greetings from the 2nd Clean Propulsion Technologies Review meeting!


The 2nd Clean Propulsion Technologies Review meeting gathered together the whole project consortium – nine companies and six research organizations.  In this meeting, the focus was on sharing the research results achieved in the project so far – and common brainstorming and networking, of course. The event was held on May 17-18th  at the premises of Aalto University, Espoo, and it was also possible to participate via Zoom.

The event was a success. Approximately 80 people from the project partner organizations participated, which is a very high share of the people that work for this project. More than 60 participants were physically present in Espoo and the rest participated remotely. The participants were happy to meet the whole consortium for the second time and the atmosphere was productive throughout the conference. The conversations were lively.

The conference consisted of two plenary sessions, four technical sessions, two workshops, and guided tours to the VTT’s engine and vehicle laboratory, and Aalto University’s engine laboratory. In addition, a conference dinner was organized for the participants.

The plenary sessions had three excellent keynote speakers. In the first plenary session, the Advisory Board member Antonio Garcia Martinez from CMT /Valencia University gave his presentation titled ‘Is RCCI the Practical Low-temperature Combustion of the future?’. In the second plenary session, Stefan Strohmayer from Geyser Batteries presented interesting viewpoints on ‘Hybrid energy storage technologies for heavy-duty applications’. The event ended with an inspiring presentation titled ‘Future Fuels’, given by Steering Group Chairman Christer Wik, Wärtsilä. After this event, the chairmanship of the Steering Group was transferred from Christer Wik to Ismo Hämäläinen from AGCO Power. The chairmanship has been shared between Wärtsilä and AGCO Power as the biggest industrial stakeholders in this project.

Technical sessions and workshops were hosted by the research organizations’ representatives. Technical sessions consisted of interesting presentations and discussions around the session themes focusing on the project results. The workshops included brainstorming and group work that created a lot of useful material for the project. The topics and hosts of the technical sessions and workshops are listed below.


Technical session 1, Technology Roadmapping

Hosts: Magnus Hellström, ÅAU & Rodrigo Rabetino, UVA


Magnus Hellström, ÅAU – Market drivers for clean propulsion

Rodrigo Rabetino & Hammad Syed, UVA: – Future fuels for shipping: Results from a Delphi study

Henry Schwartz, ÅAU – Price premiums for sustainable shipping

Viktor Sundholm, ÅAU – An overview of small-scale renewable fuel production alternatives

T​​​echnical session 2, Aftertreatment and aftertreatment control

Hosts: Kati Lehtoranta, VTT & Jari Böling, ÅAU


Kati Lehtoranta, VTT – Studying emission performance of different SCR units to be utilized in a double-SCR system

Oscar Aaltonen, ÅAU – Nonlinear model predictive control and estimation of selective catalytic reduction

Anssi Järvinen, VTT – Research facility for DPF studies with soot and ash loading


Technical session 3, Advanced combustion engine research and combustion control

Hosts: Maciej Mikulski, UVA & Petri Söderena, VTT


Cheng (Jonny) Qiang , Aalto – Progress in spray measurements.

Stanislau Stasheuski, Aalto – In-nozzle injector cavitation simulations

Amin Modabberian, Aalto & Xiaoguo Storm, UVA – Towards Predictive RCCI control – Control-oriented model (COM) and onboard running model (ORM) model development.

Jeyoung Kim, UVA – RealTime-Integrated measurement data post-processing for cutting edge Low-Temperature Combustion Engine research

T​​​echnical session 4, Mathematical methods in design and operation

Hosts: Kai Zenger, Aalto, Kalevi Huhtala, TAU & Jari Böling, ÅAU


Axel Waris, ÅAU – Cruise ship speed optimization

Anna Tupitsina, LUT – Hybrid mobile machine dimensioning

Sahoo Subhadyuti, Aalto – Multipowered Heavy Vehicle Energy Demand Prediction, Control and Validation

Nguyen Khac Hoang, Aalto- Virtual sensors for engine emission estimation


Workshop 1, Clean propulsion technology roadmapping

Hosts: Magnus Hellström, Anastasia Tsvetkova ÅAU & Rodrigo Rabetino, UVA

The workshop included a short introductory presentation on the methodology and focused on a group work around the following themes: 1) linking market drivers and new products and 2) identifying needed infrastructure and research efforts.

Workshop 2, Electrification in the off-road sector – Power management strategies and Voltage levels

Hosts: Teemu Ovaska, UVA & Kalevi Huhtala, TAU

The workshop included short introductory presentations from the marine and off-road sectors, and group work around the following themes: 1) Voltage levels and safety, 2) Power management strategies, and 3) Hybridization on land and at sea: differences and similarities in power load profiles, lifetime expectations, and TCOs.