{"id":"https://openalex.org/W4310071643","doi":"https://doi.org/10.3390/en15238937","title":"Hydrogen Internal Combustion Engine Vehicles: A Review","display_name":"Hydrogen Internal Combustion Engine Vehicles: A Review","publication_year":2022,"publication_date":"2022-11-25","ids":{"openalex":"https://openalex.org/W4310071643","doi":"https://doi.org/10.3390/en15238937"},"language":"en","primary_location":{"id":"doi:10.3390/en15238937","doi":"https://doi.org/10.3390/en15238937","is_oa":true,"landing_page_url":"https://doi.org/10.3390/en15238937","pdf_url":"https://www.mdpi.com/1996-1073/15/23/8937/pdf?version=1669715160","source":{"id":"https://openalex.org/S198098182","display_name":"Energies","issn_l":"1996-1073","issn":["1996-1073"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","norway-1","poland-140","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Energies","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1996-1073/15/23/8937/pdf?version=1669715160","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5050746589","display_name":"Kamil Wr\u00f3bel","orcid":"https://orcid.org/0000-0002-6356-0780","observed_orcids":["https://orcid.org/0000-0002-6356-0780"]},"institutions":[{"id":"https://openalex.org/I4210093239","display_name":"\u0141ukasiewicz Research Network - Industrial Chemistry Institute","ror":"https://ror.org/00jhf1r34","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210093239"]},{"id":"https://openalex.org/I4210129336","display_name":"\u0141ukasiewicz Research Network","ror":"https://ror.org/036f4sz05","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210129336"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Kamil Wr\u00f3bel","raw_affiliation_strings":["Industrial Chemistry Institute, \u0141ukasiewicz Research Network, Rydygiera 8, 01-793 Warsaw, Poland"],"raw_orcid":"https://orcid.org/0000-0002-6356-0780","affiliations":[{"raw_affiliation_string":"Industrial Chemistry Institute, \u0141ukasiewicz Research Network, Rydygiera 8, 01-793 Warsaw, Poland","institution_ids":["https://openalex.org/I4210093239","https://openalex.org/I4210129336"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Justyna Wr\u00f3bel","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210129336","display_name":"\u0141ukasiewicz Research Network","ror":"https://ror.org/036f4sz05","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210129336"]},{"id":"https://openalex.org/I4210161029","display_name":"\u0141ukasiewicz Research Network - Institute of Polymer Materials","ror":"https://ror.org/05556pa07","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210161029"]}],"countries":["PL"],"is_corresponding":true,"raw_author_name":"Justyna Wr\u00f3bel","raw_affiliation_strings":["Institute for Engineering of Polymer Materials and Dyes, \u0141ukasiewicz Research Network, Marii Sk\u0142odowskiej-Curie 55, 87-100 Toru\u0144, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Engineering of Polymer Materials and Dyes, \u0141ukasiewicz Research Network, Marii Sk\u0142odowskiej-Curie 55, 87-100 Toru\u0144, Poland","institution_ids":["https://openalex.org/I4210129336","https://openalex.org/I4210161029"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057441035","display_name":"Wojciech Tokarz","orcid":"https://orcid.org/0000-0003-3737-8261","observed_orcids":["https://orcid.org/0000-0003-3737-8261"]},"institutions":[{"id":"https://openalex.org/I4210093239","display_name":"\u0141ukasiewicz Research Network - Industrial Chemistry Institute","ror":"https://ror.org/00jhf1r34","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210093239"]},{"id":"https://openalex.org/I4210129336","display_name":"\u0141ukasiewicz Research Network","ror":"https://ror.org/036f4sz05","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210129336"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Wojciech Tokarz","raw_affiliation_strings":["Industrial Chemistry Institute, \u0141ukasiewicz Research Network, Rydygiera 8, 01-793 Warsaw, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Industrial Chemistry Institute, \u0141ukasiewicz Research Network, Rydygiera 8, 01-793 Warsaw, Poland","institution_ids":["https://openalex.org/I4210093239","https://openalex.org/I4210129336"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021523598","display_name":"Jakub Lach","orcid":"https://orcid.org/0000-0002-3542-7544","observed_orcids":["https://orcid.org/0000-0002-3542-7544"]},"institutions":[{"id":"https://openalex.org/I4210093239","display_name":"\u0141ukasiewicz Research Network - Industrial Chemistry Institute","ror":"https://ror.org/00jhf1r34","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210093239"]},{"id":"https://openalex.org/I4210129336","display_name":"\u0141ukasiewicz Research Network","ror":"https://ror.org/036f4sz05","country_code":"PL","type":"facility","lineage":["https://openalex.org/I4210129336"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Jakub Lach","raw_affiliation_strings":["Industrial Chemistry Institute, \u0141ukasiewicz Research Network, Rydygiera 8, 01-793 Warsaw, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Industrial Chemistry Institute, \u0141ukasiewicz Research Network, Rydygiera 8, 01-793 Warsaw, Poland","institution_ids":["https://openalex.org/I4210093239","https://openalex.org/I4210129336"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074424808","display_name":"Katarzyna Podsadni","orcid":"https://orcid.org/0000-0003-0548-5169","observed_orcids":["https://orcid.org/0000-0003-0548-5169"]},"institutions":[{"id":"https://openalex.org/I268303160","display_name":"Medical University of Warsaw","ror":"https://ror.org/04p2y4s44","country_code":"PL","type":"education","lineage":["https://openalex.org/I268303160"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Katarzyna Podsadni","raw_affiliation_strings":["Faculty of Medicine, Medical University of Warsaw, 61 \u017bwirki i Wigury Str., 02-091 Warsaw, Poland"],"raw_orcid":"https://orcid.org/0000-0003-0548-5169","affiliations":[{"raw_affiliation_string":"Faculty of Medicine, Medical University of Warsaw, 61 \u017bwirki i Wigury Str., 02-091 Warsaw, Poland","institution_ids":["https://openalex.org/I268303160"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089460235","display_name":"Andrzej A. Czerwi\u0144ski","orcid":"https://orcid.org/0000-0002-4931-1913","observed_orcids":["https://orcid.org/0000-0002-4931-1913"]},"institutions":[{"id":"https://openalex.org/I4654613","display_name":"University of Warsaw","ror":"https://ror.org/039bjqg32","country_code":"PL","type":"education","lineage":["https://openalex.org/I4654613"]}],"countries":["PL"],"is_corresponding":false,"raw_author_name":"Andrzej Czerwi\u0144ski","raw_affiliation_strings":["Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland","institution_ids":["https://openalex.org/I4654613"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5050746589"],"corresponding_institution_ids":["https://openalex.org/I4210093239","https://openalex.org/I4210129336","https://openalex.org/I4210161029"],"apc_list":{"value":2200,"currency":"CHF","value_usd":2303},"apc_paid":{"value":2200,"currency":"CHF","value_usd":2303},"fwci":8.9657,"has_fulltext":true,"cited_by_count":161,"citation_normalized_percentile":{"value":0.99451988,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"15","issue":"23","first_page":"8937","last_page":"8937"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","score":0.9272000193595886,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","score":0.9272000193595886,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10808","display_name":"Electric and Hybrid Vehicle Technologies","score":0.0568000003695488,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13990","display_name":"Engine and Fuel Emissions","score":0.005200000014156103,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hydrogen-internal-combustion-engines","display_name":"hydrogen internal combustion engine","score":0.9789999723434448},{"id":"https://openalex.org/keywords/hydrogen-vehicles","display_name":"hydrogen vehicles","score":0.8159999847412109},{"id":"https://openalex.org/keywords/hydrogen-fuel","display_name":"hydrogen fuel","score":0.3790000081062317},{"id":"https://openalex.org/keywords/bi-fuel-vehicles","display_name":"bi-fuel vehicles","score":0.875},{"id":"https://openalex.org/keywords/hydrogen-mixtures","display_name":"hydrogen mixtures","score":0.6499999761581421},{"id":"https://openalex.org/keywords/vehicle-propulsion-systems","display_name":"vehicle propulsion systems","score":0.6380000114440918},{"id":"https://openalex.org/keywords/low-emission-vehicles","display_name":"low-emission vehicles","score":0.8119999766349792},{"id":"https://openalex.org/keywords/vehicle-manufacturers","display_name":"vehicle manufacturers","score":0.4350000023841858}],"concepts":[{"id":"https://openalex.org/C19065316","wikidata":"https://www.wikidata.org/wiki/Q2551748","display_name":"Hydrogen vehicle","level":4,"score":0.788381814956665},{"id":"https://openalex.org/C511840579","wikidata":"https://www.wikidata.org/wiki/Q12757","display_name":"Internal combustion engine","level":2,"score":0.7527616024017334},{"id":"https://openalex.org/C105923489","wikidata":"https://www.wikidata.org/wiki/Q133235","display_name":"Combustion","level":2,"score":0.6452207565307617},{"id":"https://openalex.org/C171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","level":1,"score":0.5986689925193787},{"id":"https://openalex.org/C113655042","wikidata":"https://www.wikidata.org/wiki/Q387420","display_name":"Green vehicle","level":3,"score":0.5842056274414062},{"id":"https://openalex.org/C118124095","wikidata":"https://www.wikidata.org/wiki/Q6851593","display_name":"Miles per gallon gasoline equivalent","level":4,"score":0.5693296194076538},{"id":"https://openalex.org/C1034443","wikidata":"https://www.wikidata.org/wiki/Q2583685","display_name":"Propulsion","level":2,"score":0.5246389508247375},{"id":"https://openalex.org/C68189081","wikidata":"https://www.wikidata.org/wiki/Q12748","display_name":"Fossil fuel","level":2,"score":0.5010068416595459},{"id":"https://openalex.org/C555008776","wikidata":"https://www.wikidata.org/wiki/Q267298","display_name":"Battery (electricity)","level":3,"score":0.4317276179790497},{"id":"https://openalex.org/C170528557","wikidata":"https://www.wikidata.org/wiki/Q1641622","display_name":"Hydrogen fuel enhancement","level":3,"score":0.42067745327949524},{"id":"https://openalex.org/C9682599","wikidata":"https://www.wikidata.org/wiki/Q11549077","display_name":"Hydrogen fuel","level":3,"score":0.4090479016304016},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3320375084877014},{"id":"https://openalex.org/C45882903","wikidata":"https://www.wikidata.org/wiki/Q5042317","display_name":"Fuel efficiency","level":2,"score":0.2833741307258606},{"id":"https://openalex.org/C2987658370","wikidata":"https://www.wikidata.org/wiki/Q180253","display_name":"Fuel cells","level":2,"score":0.27936941385269165},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.1925138533115387},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.16448485851287842},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.12995010614395142},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.07819855213165283},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/en15238937","doi":"https://doi.org/10.3390/en15238937","is_oa":true,"landing_page_url":"https://doi.org/10.3390/en15238937","pdf_url":"https://www.mdpi.com/1996-1073/15/23/8937/pdf?version=1669715160","source":{"id":"https://openalex.org/S198098182","display_name":"Energies","issn_l":"1996-1073","issn":["1996-1073"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","norway-1","poland-140","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Energies","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:gam:jeners:v:15:y:2022:i:23:p:8937-:d:984602","doi":null,"is_oa":false,"landing_page_url":"https://www.mdpi.com/1996-1073/15/23/8937/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:7c59e0a184fd4cccad1c0b94d3b38a5a","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/7c59e0a184fd4cccad1c0b94d3b38a5a","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Energies, Vol 15, Iss 23, p 8937 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/en15238937","doi":"https://doi.org/10.3390/en15238937","is_oa":true,"landing_page_url":"https://doi.org/10.3390/en15238937","pdf_url":"https://www.mdpi.com/1996-1073/15/23/8937/pdf?version=1669715160","source":{"id":"https://openalex.org/S198098182","display_name":"Energies","issn_l":"1996-1073","issn":["1996-1073"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","norway-1","poland-140","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Energies","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.9046000242233276,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"},{"score":0.7207000255584717,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F2025063049","display_name":"Sie\u0107 Badawcz\u0105 \u0141ukasiewicz","ror":"https://ror.org/036f4sz05"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4310071643.pdf","grobid_xml":"https://content.openalex.org/works/W4310071643.grobid-xml"},"referenced_works_count":67,"referenced_works":["https://openalex.org/W66182950","https://openalex.org/W603757975","https://openalex.org/W1495444174","https://openalex.org/W1522059295","https://openalex.org/W1589033399","https://openalex.org/W1951218704","https://openalex.org/W1968333091","https://openalex.org/W1969875244","https://openalex.org/W1976721379","https://openalex.org/W1989924295","https://openalex.org/W1995313378","https://openalex.org/W2005912716","https://openalex.org/W2028182873","https://openalex.org/W2028692341","https://openalex.org/W2044551986","https://openalex.org/W2046355723","https://openalex.org/W2046434706","https://openalex.org/W2046603966","https://openalex.org/W2058030811","https://openalex.org/W2062120521","https://openalex.org/W2074563555","https://openalex.org/W2075643230","https://openalex.org/W2076752911","https://openalex.org/W2082427563","https://openalex.org/W2093779538","https://openalex.org/W2111780926","https://openalex.org/W2129535470","https://openalex.org/W2131978523","https://openalex.org/W2137943079","https://openalex.org/W2233079379","https://openalex.org/W2284449488","https://openalex.org/W2287535639","https://openalex.org/W2293775343","https://openalex.org/W2496040422","https://openalex.org/W2519200901","https://openalex.org/W2560808553","https://openalex.org/W2587597014","https://openalex.org/W2603587681","https://openalex.org/W2769109737","https://openalex.org/W2788770703","https://openalex.org/W2791181609","https://openalex.org/W2898011573","https://openalex.org/W2903353797","https://openalex.org/W2915210323","https://openalex.org/W2921001867","https://openalex.org/W2923727031","https://openalex.org/W2930870560","https://openalex.org/W2947158615","https://openalex.org/W2983122464","https://openalex.org/W2983653998","https://openalex.org/W2995454141","https://openalex.org/W3011059874","https://openalex.org/W3013543514","https://openalex.org/W3023338803","https://openalex.org/W3055398858","https://openalex.org/W3088431882","https://openalex.org/W3103524401","https://openalex.org/W3103675312","https://openalex.org/W3112082963","https://openalex.org/W3158180175","https://openalex.org/W3204599638","https://openalex.org/W3207934223","https://openalex.org/W4220671166","https://openalex.org/W4238687888","https://openalex.org/W4313130198","https://openalex.org/W6733211560","https://openalex.org/W6922734694"],"related_works":["https://openalex.org/W4401607974","https://openalex.org/W4394979801","https://openalex.org/W4411830957","https://openalex.org/W4416466135","https://openalex.org/W4402636622","https://openalex.org/W798828563","https://openalex.org/W4388406864","https://openalex.org/W2991629659","https://openalex.org/W2279986451","https://openalex.org/W2241711265"],"abstract_inverted_index":{"Motor":[0],"vehicles":[1,38,80,100,129,160],"are":[2],"the":[3,13,27,30,59,71,103,116,121,131,137,149,152,186],"backbone":[4],"of":[5,16,32,61,74,98,118,123,125,139,151,168],"global":[6,50],"transport.":[7],"In":[8,42],"recent":[9],"years,":[10],"due":[11],"to":[12,44,57,130],"rising":[14],"costs":[15],"fossil":[17],"fuels":[18,170],"and":[19,48,83,156,159,171,178],"increasing":[20],"concerns":[21],"about":[22],"their":[23],"negative":[24],"impact":[25],"on":[26,102,114],"natural":[28],"environment,":[29],"development":[31,73,117],"low-emission":[33],"power":[34],"supply":[35],"systems":[36,63],"for":[37,64],"has":[39],"been":[40],"observed.":[41],"order":[43],"create":[45],"a":[46,166],"stable":[47],"safe":[49],"transport":[51],"system,":[52],"an":[53,96,162],"important":[54],"issue":[55],"seems":[56],"be":[58,68],"diversification":[60],"propulsion":[62],"vehicles,":[65,78,158],"which":[66],"can":[67],"achieved":[69],"through":[70],"simultaneous":[72],"conventional":[75,169],"internal":[76,107,143],"combustion":[77,90,108,144],"electric":[79],"(both":[81],"battery":[82],"fuel":[84],"cell":[85],"powered)":[86],"as":[87,89],"well":[88],"hydrogen-powered":[91,128],"vehicles.":[92],"This":[93],"publication":[94],"presents":[95,174],"overview":[97],"commercial":[99],"(available":[101],"market)":[104],"powered":[105,164],"by":[106,165,181],"hydrogen":[109,140,155],"engines.":[110,145],"The":[111,146],"work":[112],"focuses":[113],"presenting":[115],"technology":[119,176],"from":[120],"point":[122],"view":[124],"introducing":[126],"ready-made":[127],"market":[132],"or":[133],"technical":[134],"solutions":[135,179],"enabling":[136],"use":[138],"mixtures":[141],"in":[142,185],"study":[147],"covers":[148],"history":[150],"technology,":[153],"dedicated":[154],"bi-fuel":[157],"with":[161],"engine":[163],"mixture":[167],"hydrogen.":[172],"It":[173],"basic":[175],"parameters":[177],"introduced":[180],"leading":[182],"vehicle":[183,187],"manufacturers":[184],"market.":[188]},"counts_by_year":[{"year":2026,"cited_by_count":41},{"year":2025,"cited_by_count":57},{"year":2024,"cited_by_count":44},{"year":2023,"cited_by_count":19}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2022-11-30T00:00:00"}