{"id":"https://openalex.org/W7219905070","doi":"https://doi.org/10.7777/jiemar.v6i6.657","title":"Exploring perceptions of intracity vehicle owners on adopting compressed natural gas (CNG) as an alternative fuel in Dar es Salaam City, Tanzania","display_name":"Exploring perceptions of intracity vehicle owners on adopting compressed natural gas (CNG) as an alternative fuel in Dar es Salaam City, Tanzania","publication_year":2025,"publication_date":"2025-10-19","ids":{"openalex":"https://openalex.org/W7219905070","doi":"https://doi.org/10.7777/jiemar.v6i6.657"},"language":"en","primary_location":{"id":"pmh:oai:ojs2.jiemar.org:article/657","doi":"https://doi.org/10.7777/jiemar.v6i6.657","is_oa":true,"landing_page_url":"https://jiemar.org/index.php/jiemar/article/view/657","pdf_url":"https://jiemar.org/index.php/jiemar/article/download/657/501","source":{"id":"https://openalex.org/S4306515648","display_name":"Journal  of Industrial  Engineering & Management Research","issn_l":"2722-8878","issn":["2722-8878"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"10.7777/jiemar.v6i6","raw_type":"info:eu-repo/semantics/article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://jiemar.org/index.php/jiemar/article/download/657/501","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5157024045","display_name":"Josephat D. Msomi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Msomi, Josephat D.","raw_affiliation_strings":["Executive Secretary at Tanzania Logistics and Transport Association - TALTA, Tanzania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Executive Secretary at Tanzania Logistics and Transport Association - TALTA, Tanzania","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021767597","display_name":"Clashon Onesmo","orcid":"https://orcid.org/0000-0001-5732-2703","observed_orcids":["https://orcid.org/0000-0001-5732-2703"]},"institutions":[{"id":"https://openalex.org/I4210106625","display_name":"National Institute of Transport","ror":"https://ror.org/01g454487","country_code":"TZ","type":"education","lineage":["https://openalex.org/I4210106625"]}],"countries":["TZ"],"is_corresponding":false,"raw_author_name":"Onesmo, Clashon L.","raw_affiliation_strings":["Lecturer at National Institute of Transport - NIT, Tanzania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lecturer at National Institute of Transport - NIT, Tanzania","institution_ids":["https://openalex.org/I4210106625"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1341,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.26775258,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12617","display_name":"Energy, Environment, and Transportation Policies","score":0.4359999895095825,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12617","display_name":"Energy, Environment, and Transportation Policies","score":0.4359999895095825,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10768","display_name":"Electric Vehicles and Infrastructure","score":0.2957000136375427,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T12503","display_name":"Social Acceptance of Renewable Energy","score":0.11050000041723251,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/compressed-natural-gas","display_name":"compressed natural gas","score":0.9990000128746033},{"id":"https://openalex.org/keywords/alternative-fuels","display_name":"alternative fuels","score":0.8930000066757202},{"id":"https://openalex.org/keywords/vehicle-owners","display_name":"vehicle owners","score":0.8560000061988831},{"id":"https://openalex.org/keywords/public-perception","display_name":"public perception","score":0.5730000138282776},{"id":"https://openalex.org/keywords/urban-transport","display_name":"urban transport","score":0.6200000047683716},{"id":"https://openalex.org/keywords/air-pollution","display_name":"air pollution","score":0.7730000019073486},{"id":"https://openalex.org/keywords/cost-reduction","display_name":"cost reduction","score":0.49799999594688416},{"id":"https://openalex.org/keywords/sustainable-urban-mobility","display_name":"sustainable urban mobility","score":0.7409999966621399},{"id":"https://openalex.org/keywords/dar-es-salaam","display_name":"Dar es Salaam","score":0.9879999756813049}],"concepts":[{"id":"https://openalex.org/C31954730","wikidata":"https://www.wikidata.org/wiki/Q720050","display_name":"Compressed natural gas","level":2,"score":0.7271999716758728},{"id":"https://openalex.org/C2779357621","wikidata":"https://www.wikidata.org/wiki/Q655495","display_name":"Tanzania","level":2,"score":0.7121000289916992},{"id":"https://openalex.org/C100363876","wikidata":"https://www.wikidata.org/wiki/Q690661","display_name":"Nonprobability sampling","level":3,"score":0.6087999939918518},{"id":"https://openalex.org/C3019135560","wikidata":"https://www.wikidata.org/wiki/Q1960","display_name":"Dar es salaam","level":3,"score":0.5928000211715698},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.5841000080108643},{"id":"https://openalex.org/C83864248","wikidata":"https://www.wikidata.org/wiki/Q177323","display_name":"Developing country","level":2,"score":0.510200023651123},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.48840001225471497},{"id":"https://openalex.org/C13763315","wikidata":"https://www.wikidata.org/wiki/Q8449254","display_name":"Alternative fuel vehicle","level":4,"score":0.4530999958515167},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.4471000134944916},{"id":"https://openalex.org/C49898467","wikidata":"https://www.wikidata.org/wiki/Q1517706","display_name":"Stratified sampling","level":2,"score":0.4341000020503998},{"id":"https://openalex.org/C70388272","wikidata":"https://www.wikidata.org/wiki/Q5968558","display_name":"IBM","level":2,"score":0.4138000011444092},{"id":"https://openalex.org/C2778012447","wikidata":"https://www.wikidata.org/wiki/Q1034415","display_name":"Scope (computer science)","level":2,"score":0.4065999984741211},{"id":"https://openalex.org/C91375879","wikidata":"https://www.wikidata.org/wiki/Q15473274","display_name":"Environmental planning","level":1,"score":0.40119999647140503},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.3937999904155731},{"id":"https://openalex.org/C106399304","wikidata":"https://www.wikidata.org/wiki/Q868123","display_name":"Snowball sampling","level":2,"score":0.3894999921321869},{"id":"https://openalex.org/C2778137410","wikidata":"https://www.wikidata.org/wiki/Q2732820","display_name":"Government (linguistics)","level":2,"score":0.38929998874664307},{"id":"https://openalex.org/C192489979","wikidata":"https://www.wikidata.org/wiki/Q1502997","display_name":"Systematic sampling","level":2,"score":0.37560001015663147},{"id":"https://openalex.org/C26760741","wikidata":"https://www.wikidata.org/wiki/Q160402","display_name":"Perception","level":2,"score":0.3743000030517578},{"id":"https://openalex.org/C539828613","wikidata":"https://www.wikidata.org/wiki/Q178512","display_name":"Public transport","level":2,"score":0.35530000925064087},{"id":"https://openalex.org/C39896193","wikidata":"https://www.wikidata.org/wiki/Q380344","display_name":"Descriptive statistics","level":2,"score":0.34860000014305115},{"id":"https://openalex.org/C142546437","wikidata":"https://www.wikidata.org/wiki/Q2661195","display_name":"Descriptive research","level":2,"score":0.3434000015258789},{"id":"https://openalex.org/C138816342","wikidata":"https://www.wikidata.org/wiki/Q189603","display_name":"Public health","level":2,"score":0.3122999966144562},{"id":"https://openalex.org/C2989341866","wikidata":"https://www.wikidata.org/wiki/Q1077952","display_name":"Alternative fuels","level":3,"score":0.31049999594688416},{"id":"https://openalex.org/C559116025","wikidata":"https://www.wikidata.org/wiki/Q131123","display_name":"Air pollution","level":2,"score":0.301800012588501},{"id":"https://openalex.org/C163355716","wikidata":"https://www.wikidata.org/wiki/Q2154783","display_name":"Risk perception","level":3,"score":0.28200000524520874},{"id":"https://openalex.org/C109986646","wikidata":"https://www.wikidata.org/wiki/Q546113","display_name":"Public policy","level":2,"score":0.28049999475479126},{"id":"https://openalex.org/C2909468537","wikidata":"https://www.wikidata.org/wiki/Q58734","display_name":"Environmental pollution","level":2,"score":0.2696000039577484},{"id":"https://openalex.org/C107826830","wikidata":"https://www.wikidata.org/wiki/Q929380","display_name":"Environmental resource management","level":1,"score":0.26269999146461487}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:ojs2.jiemar.org:article/657","doi":"https://doi.org/10.7777/jiemar.v6i6.657","is_oa":true,"landing_page_url":"https://jiemar.org/index.php/jiemar/article/view/657","pdf_url":"https://jiemar.org/index.php/jiemar/article/download/657/501","source":{"id":"https://openalex.org/S4306515648","display_name":"Journal  of Industrial  Engineering & Management Research","issn_l":"2722-8878","issn":["2722-8878"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"10.7777/jiemar.v6i6","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:ojs2.jiemar.org:article/657","doi":"https://doi.org/10.7777/jiemar.v6i6.657","is_oa":true,"landing_page_url":"https://jiemar.org/index.php/jiemar/article/view/657","pdf_url":"https://jiemar.org/index.php/jiemar/article/download/657/501","source":{"id":"https://openalex.org/S4306515648","display_name":"Journal  of Industrial  Engineering & Management Research","issn_l":"2722-8878","issn":["2722-8878"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"10.7777/jiemar.v6i6","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"},{"score":0.75,"display_name":"Climate action","id":"https://metadata.un.org/sdg/13"},{"score":0.7207000255584717,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"},{"score":0.4000000059604645,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7219905070.pdf","grobid_xml":"https://content.openalex.org/works/W7219905070.grobid-xml"},"referenced_works_count":4,"referenced_works":["https://openalex.org/W1994495089","https://openalex.org/W4294168535","https://openalex.org/W4391486754","https://openalex.org/W4413135045"],"related_works":["https://openalex.org/W7157895262","https://openalex.org/W7147167265","https://openalex.org/W4402948877","https://openalex.org/W4405072549","https://openalex.org/W4410305456","https://openalex.org/W7171350546","https://openalex.org/W7170603958","https://openalex.org/W7203878320","https://openalex.org/W7204209817","https://openalex.org/W3203458372"],"abstract_inverted_index":{"The":[0,84,156],"rapid":[1],"expansion":[2],"of":[3,51,64,113,126],"urban":[4,189],"areas":[5],"in":[6,32,57],"developing":[7],"countries":[8],"has":[9],"significantly":[10],"increased":[11],"transportation":[12],"demand,":[13],"leading":[14],"to":[15,40,170,186],"air":[16],"pollution":[17],"and":[18,22,71,82,89,98,104,129,139,153,164,167,173],"posing":[19],"serious":[20],"health":[21],"environmental":[23,128,154],"risks.":[24],"This":[25],"situation":[26],"calls":[27],"for":[28,161,183],"alternative":[29,55],"fuels,":[30],"especially":[31],"the":[33,46,49,159],"transport":[34],"sector.":[35],"Thus,":[36],"this":[37],"study":[38,157],"aimed":[39],"understand":[41],"how":[42],"vehicle":[43],"owners":[44],"within":[45],"city":[47],"perceive":[48],"adoption":[50],"CNG":[52,114,146],"as":[53],"an":[54],"fuel":[56],"Dar":[58],"es":[59],"Salaam,":[60],"Tanzania.":[61],"A":[62],"sample":[63],"384":[65],"participants":[66],"was":[67],"selected":[68],"using":[69,91],"stratified":[70],"purposive":[72],"sampling":[73],"methods.":[74,106],"Data":[75],"collection":[76],"involved":[77],"questionnaires":[78],"via":[79],"Google":[80],"Forms":[81],"interviews.":[83],"data":[85],"were":[86],"analyzed":[87],"descriptively":[88],"inferentially":[90],"IBM":[92],"SPSS":[93],"version":[94],"twenty":[95],"seven":[96],"(27)":[97],"Microsoft":[99],"Excel,":[100],"with":[101,118],"both":[102],"descriptive":[103],"inferential":[105],"Results":[107],"indicate":[108],"that":[109],"while":[110],"general":[111],"awareness":[112,172],"is":[115,133],"moderate,":[116],"those":[117],"direct":[119],"experience":[120],"have":[121],"a":[122],"much":[123],"better":[124],"understanding":[125],"its":[127],"cost-saving":[130],"advantages.":[131],"Adoption":[132],"limited":[134],"by":[135,151],"technical":[136],"knowledge":[137],"gaps":[138],"infrastructure":[140],"issues.":[141],"Still,":[142],"attitudes":[143,176],"toward":[144],"adopting":[145],"are":[147],"mostly":[148],"positive,":[149],"driven":[150],"economic":[152],"concerns.":[155],"highlights":[158],"need":[160],"public":[162],"campaigns":[163],"supportive":[165],"legal":[166],"institutional":[168],"frameworks":[169],"increase":[171],"convert":[174],"positive":[175],"into":[177],"actual":[178],"use,":[179],"offering":[180],"valuable":[181],"guidance":[182],"policy":[184],"efforts":[185],"promote":[187],"sustainable":[188],"Transportation.":[190]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-10-05T00:00:00"}