{"id":"W1675515088","doi":"10.4271/2003-01-1381","title":"Comparison of Exhaust Emissions, Including Toxic Air Contaminants, from School Buses in Compressed Natural Gas, Low Emitting Diesel, and Conventional Diesel Engine Configurations","year":2003,"lang":"en","type":"article","venue":"SAE technical papers on CD-ROM/SAE technical paper series","topic":"Vehicle emissions and performance","field":"Engineering","cited_by":46,"is_retracted":false,"has_abstract":true,"ca_institutions":"ConocoPhillips (Canada)","funders":"Southwest Research Institute","keywords":"Compressed natural gas; Diesel exhaust; Waste management; Diesel fuel; Environmental science; Exhaust gas recirculation; Diesel engine; Diesel particulate filter; Automotive engineering; Diesel exhaust fluid; Exhaust gas; Contamination; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001930653,0.000301557,0.0002004151,0.000664144,0.0002143034,0.0002658191,0.0002462537,0.0001762937,0.0009236461],"category_scores_gemma":[0.0002972038,0.0001481414,0.0001790184,0.0004067262,0.0001799502,0.0002951338,0.0002013354,0.000137927,0.0002036927],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003378345,"about_ca_system_score_gemma":0.0001374419,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005198169,"about_ca_topic_score_gemma":0.01506008,"domain_scores_codex":[0.9997018,0.00003817852,0.0000283835,0.00005355796,0.0001357834,0.00004232454],"domain_scores_gemma":[0.9997715,0.00005698003,0.00003779586,0.00001206837,0.0001037458,0.00001800279],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.00208058,0.0003616845,0.1424777,0.0002995362,0.0001337389,0.0003618772,0.0003008966,0.004758876,0.8296067,0.0001342992,0.0002069823,0.0192771],"study_design_scores_gemma":[0.00004432094,0.002316773,0.402232,0.000025095,0.0001681474,0.0002552555,0.0006154479,0.00308419,0.5895047,0.00008552304,0.001632374,0.00003616501],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992874,0.0000464166,0.0002189822,0.000002314133,9.484657e-7,0.000004867358,0.00009459916,0.000005730404,0.000338786],"genre_scores_gemma":[0.9975961,0.0001311748,0.00037102,0.00001043731,0.000001563303,0.00001078107,0.0007672526,0.000009572724,0.001102034],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.005198169,"threshold_uncertainty_score":0.01033586,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01721834038222699,"score_gpt":0.2733356519816337,"score_spread":0.2561173115994067,"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."}}