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• 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

• 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

• 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

• 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

• 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

• 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

• 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

• Exhaust emissions from a prototype non-road natural gas engine

  Marjanen, P., Kuittinen, N., Karjalainen, P., Saarikoski, S., Westerholm, M., Pettinen, R., Aurela, M., Lintusaari, H., Simonen, P., Markkula, L., Kalliokoski, J., Wihersaari, H., Timonen, H. & Rönkkö, T., 15 May 2022, In: Fuel. 316, 11 p., 123387.

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

  Open Access
  3 Citations (Scopus)

• 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

• Physical Characteristics of Particle Emissions from a Medium Speed Ship Engine Fueled with Natural Gas and Low-Sulfur Liquid Fuels

  Alanen, J., Isotalo, M., Kuittinen, N., Simonen, P., Martikainen, S., Kuuluvainen, H., Honkanen, M., Lehtoranta, K., Nyyssönen, S., Vesala, H., Timonen, H., Aurela, M., Keskinen, J. & Rönkkö, T., 5 May 2020, In: Environmental Science & Technology. 54, 9, p. 5376-5384 9 p.

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

• 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
  8 Citations (Scopus)

  48 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
  21 Citations (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
  42 Citations (Scopus)

• 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
  36 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
  12 Downloads (Pure)

• 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
  44 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
  6 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

• 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
  51 Downloads (Pure)

• Euro VI diesel city buses NOx emissions monitoring

  Söderena, P., Kuutti, H. & Pellikka, A-P., 30 Jun 2021, VTT Technical Research Centre of Finland. 47 p. (VTT Research Report; No. VTT-R-00567-21).

  Research output: Book/Report › Report

  Open Access

  File
  65 Downloads (Pure)

• 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
  70 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)

• 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
  984 Downloads (Pure)

• 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 20 p.

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

• 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

• 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
  107 Citations (Scopus)

• New technologies for gas combustion emissions: Final report

  Lehtoranta, K., Murtonen, T., Vesala, H., Koponen, P., Piimäkorpi, P., Isotalo, M., Alanen, J., Kuittinen, N., Rönkkö, T. & Saarikoski, S., 29 Apr 2019, VTT Technical Research Centre of Finland. 40 p. (VTT Research Report; No. VTT-R-00482-19).

  Research output: Book/Report › Report

  Open Access

  File
  171 Downloads (Pure)

• 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)

• 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

• 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)

• 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
  4 Citations (Scopus)

  76 Downloads (Pure)

• Reduction in greenhouse gas and other emissions from ship engines: Current trends and future options

  Aakko-Saksa, P. T., Lehtoranta, K., Kuittinen, N., Järvinen, A., Jalkanen, J. P., Johnson, K., Jung, H., Ntziachristos, L., Gagné, S., Takahashi, C., Karjalainen, P., Rönkkö, T. & Timonen, H., Jan 2023, In: Progress in Energy and Combustion Science. 94, 101055.

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

  Open Access

  File
  13 Citations (Scopus)

  115 Downloads (Pure)

• 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
  276 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
  11 Citations (Scopus)

• Ambient temperature effect on automotive exhaust emissions: FTP and ECE test cycle responses

  Laurikko, J., 1994, Vehicle and Environment: XXV FISITA Congress. Beijing: Peter Lang Publishing Group, Vol. 3. p. 146-157

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

• 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
  8 Citations (Scopus)

• Euro 6 Diesel Passenger Cars’ Emissions Field Tests: Project Final Report

  Söderena, P., Laurikko, J., Kuikka, K., Tilli, A., Kousa, A., Väkevä, O., Venho, A., Haaparanta, S., Nuottimäki, J., Lehto, K. & Weber, C., 28 Oct 2019, VTT Technical Research Centre of Finland. 37 p. (Lappeenranta University of Technology: Technology Business Research Center. Research Report; No. VTT-R-00636-19).

  Research output: Book/Report › Report

  Open Access

  File
  129 Downloads (Pure)

• 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

• WP3.6 biogas as a vehicle fuel in commuter buses: Life cycle cost and green house gas study

  Kajolinna, T., 9 Aug 2012, The Baltic Biogas Bus project. 71 p.

  Research output: Book/Report › Report

  Open Access

• 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)

• Chemical speciation of PM emissions from heavy-duty vehicles

  Cunha-Lopes, I., Lehtoranta, K., Almeida, S. M., Evtyugina, M., Vicente, A., Vicente, E., Kuutti, H., Amato, F. & Alves, C. A., Aug 2023, In: Atmospheric Environment. 306, 9 p., 119823.

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

  Open Access

• Monitoring Euro 6 diesel passenger cars NO_x emissions for one year in various ambient conditions with PEMS and NO_x sensors

  Söderena, P., Laurikko, J., Weber, C., Tilli, A., Kuikka, K., Kousa, A., Väkevä, O., Venho, A., Haaparanta, S. & Nuottimäki, J., Dec 2020, In: Science of the Total Environment. 746, 140971.

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

• Heavy duty diesel exhaust particles during engine motoring formed by lube oil consumption

  Karjalainen, P., Ntziachristos, L., Murtonen, T., Wihersaari, H., Simonen, P., Mylläri, F., Nylund, N-O., Keskinen, J. & Rönkkö, T., 2016, In: Environmental Science & Technology. 50, 22, p. 12504-12511

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

• Dependence between nonvolatile nucleation mode particle and soot number concentrations in an EGR equipped heavy-duty diesel engine exhaust

  Lähde, T., Rönkkö, T., Virtanen, A., Solla, A., Kytö, M., Söderström, C. & Keskinen, J., 2010, In: Environmental Science & Technology. 44, 8, p. 3175-3180

  Research output: Contribution to journal › Article › Scientific › peer-review
  65 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
  8 Citations (Scopus)

• 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)

• 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
  57 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)

• 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)

• 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
  72 Citations (Scopus)