{"id":"W4410108742","doi":"10.1016/j.jclepro.2025.145662","title":"Life cycle impact evaluation of hydrogen-fueled railway locomotives in Canada","year":2025,"lang":"en","type":"article","venue":"Journal of Cleaner Production","topic":"Vehicle emissions and performance","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia, Okanagan Campus; University of British Columbia","funders":"Transport Canada","keywords":"Life-cycle assessment; Engineering; Transport engineering; Environmental science; Aeronautics; Economics; Production (economics)","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0008068949,0.00006877216,0.0001634652,0.0001770212,0.000019303,0.000004991219,0.00006896246,0.00002715719,0.0000669923],"category_scores_gemma":[0.0002197493,0.00005652101,0.00004138235,0.0002599023,0.000009397204,0.0002021008,0.000006349817,0.0001681355,5.260219e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004645056,"about_ca_system_score_gemma":0.0009517689,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.01179074,"about_ca_topic_score_gemma":0.02655617,"domain_scores_codex":[0.9991178,0.00005461117,0.0003848503,0.00005852154,0.0002868006,0.00009739639],"domain_scores_gemma":[0.9994977,0.00001530505,0.0001201707,0.0001025678,0.0002102979,0.00005394309],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00003325752,0.00001976205,0.01331179,0.00004501248,0.00004237252,7.552206e-7,0.000113159,0.9337741,0.01049718,0.000001344636,0.001874692,0.04028662],"study_design_scores_gemma":[0.001433365,0.00009006097,0.3585148,0.0004235422,0.00009582404,0.00004509554,0.0006120125,0.4593962,0.1769355,0.0002958057,0.001977288,0.0001804921],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976583,0.0008042342,0.00005737782,0.0002912034,0.0005245365,0.00009032744,9.581846e-7,0.000005095465,0.0005679827],"genre_scores_gemma":[0.9996451,0.0001246877,0.00003852972,0.000009609426,0.0001391577,0.000001285499,7.699315e-7,0.000006563585,0.00003433237],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4743778,"threshold_uncertainty_score":0.9947898,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01112631875657868,"score_gpt":0.2592199963081712,"score_spread":0.2480936775515925,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}