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• Particulate emissions of heavy duty vehicles with different engine and after treatment technologies and alternative fuels

  Murtonen, T., Erkkilä, K. & Aakko-Saksa, P., 2011, NOSA & FAAR 2011 Conference Proceedings. Tampere: Tampere University of Technology, 64

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• International assignments on advanced vehicle exhaust emissions analysis

  Laurikko, J. & Nylund, N.-O., 1998, In: VTT Energy Highlights. p. 48-51

  Research output: Contribution to journal › Article › Professional

• Motor vehicle exhaust emissions and control in Finland

  Laurikko, J., 1989, In: SAE Technical Paper Series. 890584, 12 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• In-use vehicle emissions control in Finland: Introduction and practical experience

  Laurikko, J., 1994, In: SAE Technical Paper Series. 940930, 10 p.

  Research output: Contribution to journal › Article › Scientific › peer-review

• On the development of a low-emission propane engine for heavy-duty urban vehicle applications: Dissertation

  Nylund, N.-O., 1995, Espoo: VTT Technical Research Centre of Finland. 266 p.

  Research output: Thesis › Dissertation › Monograph

• Real-World Emissions And Energy Use of Different Heavy-Duty Vehicle Categories

  Laurikko, J., Erkkilä, K. & Nylund, N.-O., 2014, FISITA World Automotive Congress 2014: Proceedings of a meeting held 2-6 June 2014, Maastricht, The Netherlands. Royal Netherlands Society of Engineers (KIVI), p. 928-935

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Exhaust Emissions from Natural Gas Vehicles: Issues related to engine performance, exhaust emissions and environmental impacts: A report prepared for the IANGV Technical Committee

  Nylund, N.-O. & Lawson, A., 2000, Auckland, NZ: International Association for Natural Gas Vehicles IANGV. 128 p.

  Research output: Book/Report › Report

• Fuel effects on regulated and unregulated emissions from two commercial euro v and euro vi road transport vehicles

  Williams, R., Pettinen, R., Ziman, P., Kar, K. & Dauphin, R., 2 Jul 2021, In: Sustainability. 13, 14, 7985.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access

  File
  14 Citations (Scopus)

  84 Downloads (Pure)

• Electrofuel Concept of Diesel and Oxygenate Fuels Reduces Engine-Out Emissions

  Aakko-Saksa, P., Järvinen, A., Karppanen, M., Koponen, P., Piimäkorpi, P., Lehtonen, J., harni, S., Aurela, M., Timonen, H., Marjanen, P., Markkula, L., Rönkkö, T. & Hoivala, J., 28 Aug 2023, In: SAE Technical Paper Series. 2023-24-0090, p. 1-10 10 p.

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review

• Cold temperature PM emissions measurement: Method evaluation and application to light duty vehicles

  Ristimäki, J., Keskinen, J., Virtanen, A., Maricq, M. & Aakko, P., 15 Dec 2005, In: Environmental Science & Technology. 39, 24, p. 9424-9430 7 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  37 Citations (Scopus)

• Performance evaluation of alternative fuel/engine concepts 1990-1995: Final report including addendum of diesel vehicles

  Nylund, N.-O., Ikonen, M., Kytö, M., Lappi, M., Westerholm, M. & Laurikko, J., 1996, Espoo: VTT Technical Research Centre of Finland. 142 p. (VTT Publications; No. 271).

  Research output: Book/Report › Report

  Open Access

• Transit Bus Emission Study: Comparison of Emissions from Diesel and Natural Gas Buses

  Nylund, N.-O., Erkkilä, K., Lappi, M. & Ikonen, M., 2004, VTT Technical Research Centre of Finland. 63 p. (VTT Research Report; No. PRO3/P5150/04).

  Research output: Book/Report › Report

  Open Access

• Review of Electric Vehicle Charging Station Location Methods: Policy Advice Paper

  Fadel da Costa, A., 31 Jul 2024, 22 p.

  Research output: Book/Report › Report

  Open Access

• Particle emissions at moderate and cold temperatures using different fuels

  Aakko, P. & Nylund, N.-O., 2003, In: SAE Technical Paper Series. 2003-01-3285, 18 p.

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review
  45 Citations (Scopus)

• Fuel consumption and exhaust emissions of urban buses: Performance of the new diesel technology

  Nylund, N.-O., Erkkilä, K. & Hartikka, T., 2007, Espoo: VTT Technical Research Centre of Finland. 54 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 2373).

  Research output: Book/Report › Report

  Open Access
  5 Citations (Scopus)

• IEA technology network cooperation: Fuel and technology alternatives for buses: Overall energy efficiency and emissions

  Koponen, K. & Nylund, N.-O., 2012, In: SAE International Journal of Commercial Vehicles. 5, 2, p. 513-533

  Research output: Contribution to journal › Article › Scientific › peer-review
  5 Citations (Scopus)

• Testing Method for Electric Bus Auxiliary Heater Emissions

  Pettinen, R., Anttila, J., Muona, T., Pihlatie, M. & Åman, R., Apr 2023, In: Energies. 16, 8, 24 p., 3578.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  1 Citation (Scopus)

• Temperature optimisation of a diesel engine using exhaust gas heat recovery and thermal energy storage (diesel engine with thermal energy storage)

  Kauranen, P., Elonen, T., Wikström, L., Heikkinen, J. & Laurikko, J., 2010, In: Applied Thermal Engineering. 30, 6-7, p. 631-638

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  49 Citations (Scopus)

• Real Driving NO_x Emissions from Euro VI Diesel Buses

  Söderena, P., Nylund, N. O., Pettinen, R. & Mäkinen, R., 2018, In: SAE Technical Paper Series. 2018, 2018-01-1815.

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review
  9 Citations (Scopus)

• VECTO Simulation for 76-ton Vehicle Combinations

  Rahkola, P., 28 Feb 2025, VTT Technical Research Centre of Finland. 20 p. (VTT Customer Report; No. VTT-CR-00091-25).

  Research output: Book/Report › Report

  Open Access

  File
  53 Downloads (Pure)

• Regulated and unregulated emissions from catalyst vehicles at low ambient temperatures

  Laurikko, J. & Nylund, N.-O., 1993, In: SAE Technical Paper Series. 930946, 13 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  22 Citations (Scopus)

• New concepts for biofuels in transportation: Biomass-based methanol production and reduced emissions in advanced vehicles

  Ohlström, M., Mäkinen, T., Laurikko, J. & Pipatti, R., 2001, Espoo: VTT Technical Research Centre of Finland. 97 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 2074).

  Research output: Book/Report › Report

  Open Access
  7 Citations (Scopus)

• Emissions with heavy-duty diesel engines and vehicles using FAME, HVO and GTL fuels with and without DOC+POC aftertreatment

  Murtonen, T., Aakko-Saksa, P., Kuronen, M., Mikkonen, S., Mikkonen, S. & Lehtoranta, K., 2009, In: SAE International Journal of Fuels and Lubricants. 2, 2, p. 147-166

  Research output: Contribution to journal › Article › Scientific › peer-review
  87 Citations (Scopus)

• Pollutant Emissions from the Latest Generation of Heavy-Duty Vehicles in Europe and China

  Zacharof, N., Kazemi Bakhshmand, S., Niu, T., Rodriguez, F., Su, S., Lu, T., Soderena, P., Pettinen, R. & Weller, K., 30 Aug 2022, In: SAE Technical Papers. 5 p., 2022-01-1024.

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review

• Emission reduction potential with paraffinic renewable diesel by optimizing engine settings or using oxygenate

  Murtonen, T., Aakko-Saksa, P., Koponen, P., Lehto, K., Sarjovaara, T., Happonen, M. & Heikkilä, J., 1 Dec 2012, In: SAE Technical Paper Series. 2012-01-1590

  Research output: Contribution to journal › Article › Scientific › peer-review
  12 Citations (Scopus)

• In-vehicle application for multimodal route planning and analysis

  Noreikis, M., Butkus, P. & Nurminen, J. K., 26 Nov 2014, 2014 IEEE 3rd International Conference on Cloud Networking, CloudNet 2014. IEEE Institute of Electrical and Electronic Engineers, p. 350-355 6 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
  12 Citations (Scopus)

• Automotive exhaust emissions at low ambient temperature

  Laurikko, J., Nylund, N.-O. & Sipilä, K., 1987, Espoo: VTT Technical Research Centre of Finland. 40 p. (Valtion teknillinen tutkimuskeskus. Tutkimuksia - Research Reports; No. 496).

  Research output: Book/Report › Report

  2 Citations (Scopus)

• Emissions of currently non-regulated gaseous pollutants from modern passenger cars

  Dimaratos, A., Kontses, D., Kontses, A., Saltas, E., Raptopoulos-Chatzistefanou, A., Andersson, J., Aakko-Saksa, P. & Samaras, Z., 1 Jan 2023, In: Transportation Research Procedia. 72, p. 3078-3085

  Research output: Contribution to journal › Article in a proceedings journal › Scientific › peer-review

  Open Access
  4 Citations (Scopus)

• Application of GLC-selected ion monitoring (SIM)-technique in analysing polycyclic organic compounds in vehicle emission

  Tuominen, J., Pyysalo, H., Laurikko, J. & Nurmela, T., 1987, In: Science of the Total Environment. 59, p. 207-210

  Research output: Contribution to journal › Article › Scientific › peer-review
  6 Citations (Scopus)

• Low-pass filtered power-flow control in series hybrid electric vehicle

  Liukkonen, M., Hentunen, A., Suomela, J. & Kyyrä, J., 2009, 24th International Battery, Hybrid and Fuel Cell Electric Vehicle Symposium and Exhibition 2009: EVS 24. European Association for Battery, Hybrid and Fuel Cell Electric Vehicles , Vol. 3. p. 1480-1492

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

  1 Citation (Scopus)

• Effect of Engine Load on Diesel Soot Particles

  Virtanen, A. K. K., Ristimäki, J. M., Vaaraslahti, K. M. & Keskinen, J., 1 May 2004, In: Environmental Science & Technology. 38, 9, p. 2551-2556

  Research output: Contribution to journal › Article › Scientific › peer-review
  111 Citations (Scopus)

• Effects of driving conditions on secondary aerosol formation from a GDI vehicle using an oxidation flow reactor

  Kuittinen, N., McCaffery, C., Peng, W., Zimmerman, S., Roth, P., Simonen, P., Karjalainen, P., Keskinen, J., Cocker, D. R., Durbin, T. D., Rönkkö, T., Bahreini, R. & Karavalakis, G., 1 Aug 2021, In: Environmental Pollution. 282, 117069.

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  14 Citations (Scopus)

• The impact of tribology on energy use and CO₂ emission globally and in combustion engine and electric cars

  Holmberg, K. & Erdemir, A., 12 Mar 2019, In: Tribology International. 135, p. 389-396

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  474 Citations (Scopus)

• Emissions performance of current TWC vehicles at low ambient temperature over FTP and ECE test cycles

  Laurikko, J., 1994, In: SAE Technical Paper Series. 940933, 17 p.

  Research output: Contribution to journal › Article › Scientific
  4 Citations (Scopus)

• Overview of the european "particulates" project on the characterization of exhaust particulate emissions from road vehicles: Results for heavy duty engines

  Thompson, N., Ntziachristos, L., Samaras, Z., Aakko, P., Wass, U., Hausberger, S. & Sams, T., 1 Jan 2004, In: SAE Technical Paper Series. 2004-01-1986, 15 p., 2004-01-1986.

  Research output: Contribution to journal › Article › Scientific › peer-review
  58 Citations (Scopus)

• On exhaust emissions from petrol-fuelled passenger cars at low ambient temperatures: Dissertation

  Laurikko, J., 1998, Espoo: VTT Technical Research Centre of Finland. 247 p.

  Research output: Thesis › Dissertation › Monograph

  Open Access
  6 Citations (Scopus)

• The effect of ambient temperature on the emissions of some nitrogen compounds. A comparative study on low, medium and highmileage threeway catalyst vehicles

  Laurikko, J. & Aakko, P., 1995, In: SAE Technical Paper Series. 950933, p. 12

  Research output: Contribution to journal › Article › Scientific › peer-review
  16 Citations (Scopus)

• Evidence on impacts of automated vehicles on traffic flow efficiency and emissions: Systematic review

  Aittoniemi, E., Oct 2022, In: IET Intelligent Transport Systems. 16, 10, p. 1306-1327 22 p.

  Research output: Contribution to journal › Review Article › peer-review

  Open Access

  File
  12 Citations (Scopus)

  171 Downloads (Pure)

• Time-resolved characterization of primary particle emissions and secondary particle formation from a modern gasoline passenger car

  Karjalainen, P., Timonen, H., Saukko, E., Kuuluvainen, H., Saarikoski, S., Aakko-Saksa, P., Murtonen, T., Bloss, M., Dal Maso, M., Simonen, P., Ahlberg, E., Svenningsson, B., Brune, W. H., Hillamo, R., Keskinen, J. & Rönkkö, T., 2016, In: Atmospheric Chemistry and Physics. 16, 13, p. 8559-8570

  Research output: Contribution to journal › Article › Scientific › peer-review

  Open Access
  80 Citations (Scopus)

• Exhaust emissions in cold ambient conditions: considerations for a European test procedure

  Laurikko, J., Erlandsson, L. & Abrahamsson, R., 1995, In: SAE Technical Paper Series. 950929, 11 p.

  Research output: Contribution to journal › Article › Scientific › peer-review
  24 Citations (Scopus)

• Reducing particle emissions from marine engines – fuel choices and technology pathways

  Lehtoranta, K., Aakko-Saksa, P., Vesala, H., Järvinen, A., Peitz, D. & Jokiluoma, J., 12 Jun 2023, Proceedings of the 30th CIMAC World Congress 2023. 11 p. 555

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Professional

  Open Access

  File
  219 Downloads (Pure)

• Effect of reformulated diesel fuel on unregulated emissions of light duty vehicles

  Rantanen, L., Juva, A., Niemi, A., Mikkonen, S., Aakko, P. & Lappi, M., 1 Dec 1996, In: SAE Technical Paper Series. 961970.

  Research output: Contribution to journal › Article › Scientific › peer-review
  11 Citations (Scopus)

• Measurement of regulated and unregulated emissions at low ambient temperature

  Nylund, N.-O., Lappi, M., Laurikko, J., Leppämäki, E. & Sipilä, K., 1992, Warrendale: Society of Automotive Engineers. 7 p. (SAE Technical Paper Series; No. 920004).

  Research output: Book/Report › Report

• Methane slip emissions from LNG vessels: review

  Kuittinen, N., Heikkilä, M., Jalkanen, J.-P., Aakko-Saksa, P. & Lehtoranta, K., 12 Jun 2023, Proceedings of the 30th CIMAC World Congress 2023. 16 p. 629

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Professional

  Open Access

  File
  1645 Downloads (Pure)

• Ship emissions in the future: Review

  Aakko-Saksa, P. & Lehtoranta, K., 2019, VTT Technical Research Centre of Finland. 46 p. (VTT Research Report; No. VTT-R-00335-19).

  Research output: Book/Report › Report

  Open Access

  File
  1195 Downloads (Pure)

• Black carbon, particulate mass and non-volatile particle number emissions from marine transport in comparison to road transport and consideration of uncertainty

  Aakko-Saksa, P., Lehtoranta, K., Kuittinen, N., Murtonen, T., Vesala, H., Koponen, P., Pettinen, R., Teinilä, K., Aurela, M., Saarikoski, S., Karjalainen, P., Ntziachristos, L., Jalkanen, J.-P., Rönkkö, T. & Timonen, H., Apr 2020, Proceedings of TRA2020, the 8th Transport Research Arena: Rethinking transport – towards clean and inclusive mobility. Helsinki: Liikenne- ja viestintävirasto Traficom, p. 42-42 1 p. (Traficom Research Reports; No. 7/2020).

  Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Scientific

  Open Access

• Status and outlook for biofuels, other alternative fuels and new vehicles

  Nylund, N. O., Aakko-Saksa, P. & Sipilä, K., Mar 2008, VTT Technical Research Centre of Finland. 159 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 2426).

  Research output: Book/Report › Report

  Open Access
  3 Citations (Scopus)

• Performance Evaluation of Passenger Car, Fuel And Powerplant Options

  Nuottimäki, J., Laurikko, J. & Nylund, N.-O., 2014, FISITA World Automotive Congress 2014: Proceedings of a meeting held 2-6 June 2014, Maastricht, The Netherlands. Royal Netherlands Society of Engineers (KIVI), p. 1073-1081

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific

• Sustainable and clean fuels for heavy-duty vehicles

  Aakko-Saksa, P., Murtonen, T., Söderena, P., Laurikko, J. & Nylund, N.-O., Jun 2019, Fuels : conventional and future energy for automobiles: 12th International Colloquium Fuels - Conventional and Future Energy for Automobiles (2019), Ostfildern, Deutschland, 25.06.2019 – 26.06.2019. Schubert, N. (ed.). Technische Akademie Esslingen, p. 39-45 7 p.

  Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review

• Nucleation mode particles with a nonvolatile core in the exhaust of a heavy duty diesel vehicle

  Rönkkö, T., Virtanen, A., Kannosto, J., Keskinen, J. (Corresponding Author), Lappi, M. & Pirjola, L., 2007, In: Environmental Science & Technology. 41, 18, p. 6384-6389

  Research output: Contribution to journal › Article › Scientific › peer-review
  225 Citations (Scopus)