| Review of technology for cleaning biogas to natural gas quality K Biernat, W Gis, I Samson-Bręk Silniki spalinowe 51, 2012 | 59 | 2012 |
| Properties of the rapeseed oil methyl esters and comparing them with the diesel oil properties W Gis, A Żółtowski, A Bocheńska Journal of KONES 18, 121-127, 2011 | 28 | 2011 |
| Polski transport samochodowy ładunków: monografia K Bentkowska-Senator, Z Kordel, W Gis, J Waśkiewicz, I Balke, P Pawlak Instytut Transportu Samochodowego, 2016 | 27 | 2016 |
| Emission of CO2 and fuel consumption for automotive vehicles W Gis, P Bielaczyc SAE Technical Paper, 1999 | 25 | 1999 |
| Real driving emissions testing of vehicles powered by compressed natural gas J Pielecha, J Merkisz, R Jasiński, W Gis SAE Technical Paper, 2015 | 24 | 2015 |
| Evaluation of the impact of combustion hydrogen addition on operating properties of self-ignition engine S Kruczyński, M Ślęzak, W Gis, P Orliński Eksploatacja i Niezawodność 18 (3), 343-347, 2016 | 22 | 2016 |
| Use of certain alternative fuels in road transport in Poland W Gis, J Pielecha, J Waśkiewicz, M Gis, M Menes IOP Conference Series: Materials Science and Engineering 148 (1), 012040, 2016 | 20 | 2016 |
| Gaseous and particle emissions results from light duty vehicle with diesel particle filter J Merkisz, J Pielecha, W Gis SAE Technical Paper, 2009 | 20 | 2009 |
| Testing of the electric vehicle in driving cycles W Gis, A Żółowski, A Bocheńska Journal of KONES 19 (4), 207-221, 2012 | 18 | 2012 |
| Comparison of vehicle emission factors in NEDC cycle and road test J Merkisz, J Pielecha, W Gis Proceedings of the ninth Asia-Pacific International Symposium on Combustion …, 2008 | 17 | 2008 |
| Applications of the continuously rotating detonation to combustion engines at the Łukasiewicz-Institute of Aviation M Kawalec, W Perkowski, B Łukasik, A Bilar, P Wolański Combustion Engines 61, 2022 | 16 | 2022 |
| Exhaust emissions of buses LNG and Diesel in RDE tests M Gis, J Pielecha, W Gis Open Engineering 11 (1), 356-364, 2021 | 16 | 2021 |
| The development status of electric (BEV) and hydrogen (FCEV) passenger cars park in the world and new research possibilities of these cars in real traffic conditions W Gis, J Merkisz Combustion Engines 58, 2019 | 16 | 2019 |
| Biogas as vehicle fuel J Merkisz, W Gis, A Żółtowski Silniki Spalinowe 50, 2011 | 16 | 2011 |
| Studies of energy use by electric buses in SORT tests W Gis, S Kruczyński, S Taubert, A Wierzejski Combustion Engines 56, 2017 | 14 | 2017 |
| Gasoline and LPG vehicle emission factors in a road test J Merkisz, J Pielecha, W Gis SAE Technical Paper, 2009 | 14 | 2009 |
| Ammonia emissions in SI engines fueled with LPG A Żółtowski, W Gis Energies 14 (3), 691, 2021 | 13 | 2021 |
| Circumstances of the national plan for hydrogenization of road transport in Poland W Gis, E Menes, J Waśkiewicz ITS, Warsaw, 2015 | 13 | 2015 |
| Selected issues related to the reduction of the CO2 emission from combustion engines fitted in vehicles of the M and N categories M Gis, W Gis Silniki spalinowe 51, 53-61, 2012 | 13 | 2012 |
| The Baltic Biogas Foresight: Desk study on wider range of biogas production options and experiences including production potential scenarios for the Baltic Sea Region K Biernat, PL Dziołak, W Gis, A Żółtowski Baltic Biogas Bus European Project, 2009 | 12 | 2009 |
