{"id":"W2903402103","doi":"10.4271/2019-26-0029","title":"Cold-Start WHTC and WHSC Testing Results on Multi-Cylinder Opposed-Piston Engine Demonstrating Low CO<sub>2</sub> Emissions while Meeting BS-VI Emissions and Enabling Aftertreatment Downsizing","year":2019,"lang":"en","type":"article","venue":"SAE International Journal of Advances and Current Practices in Mobility","topic":"Vehicle emissions and performance","field":"Engineering","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"NOx; Greenhouse gas; European union; Environmental science; Engineering; Business; Chemistry; International trade; Combustion","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0005114429,0.000471303,0.0003097364,0.0005100435,0.0006179794,0.0003765519,0.0006118559,0.0009668472,0.00997284],"category_scores_gemma":[0.0005350472,0.000191525,0.0005113608,0.0003737858,0.0004281856,0.0005929131,0.0003300338,0.0005313772,0.002102329],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003623271,"about_ca_system_score_gemma":0.0004668234,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004923585,"about_ca_topic_score_gemma":0.01392568,"domain_scores_codex":[0.9993912,0.00002611382,0.00003148747,0.00007848695,0.0004027681,0.00006998198],"domain_scores_gemma":[0.9993837,0.00009170771,0.00003090913,0.00005737532,0.0003851003,0.00005136061],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.002286985,0.0005797067,0.01374126,0.0005203991,0.0000515883,0.001984428,0.0006529404,0.009890422,0.9201769,0.0007724594,0.009379307,0.0399636],"study_design_scores_gemma":[0.00004731545,0.002536131,0.02717925,0.00003700794,0.00002884012,0.0003803498,0.0007010439,0.009899923,0.9470194,0.0001740238,0.0119161,0.00008063996],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9732735,0.0003557964,0.006522886,0.0002199086,0.0002042329,0.0001518963,0.001748733,0.0006188074,0.01690429],"genre_scores_gemma":[0.9848646,0.00008231369,0.001915369,0.00006891985,0.000004945939,0.00003803187,0.0009354365,0.00005318288,0.01203715],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00997284,"threshold_uncertainty_score":0.03336245,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0328772219159231,"score_gpt":0.3197705624891559,"score_spread":0.2868933405732328,"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."}}