{"id":"W2791404336","doi":"10.1016/j.trd.2018.02.011","title":"Examining the role of natural gas and advanced vehicle technologies in mitigating CO2 emissions of heavy-duty trucks: Modeling prototypical British Columbia routes with road grades","year":2018,"lang":"en","type":"article","venue":"Transportation Research Part D Transport and Environment","topic":"Vehicle emissions and performance","field":"Engineering","cited_by":38,"is_retracted":false,"has_abstract":false,"ca_institutions":"Simon Fraser University; University of Victoria","funders":"California Air Resources Board","keywords":"Truck; Drivetrain; Diesel fuel; Automotive engineering; Compressed natural gas; Heavy duty; Tractor; Engineering; Environmental science; Torque","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"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":[0.0005102676,0.001070631,0.0006756326,0.0005770277,0.001427192,0.002197514,0.001928734,0.002145913,0.002543449],"category_scores_gemma":[0.001177846,0.0007503966,0.001044664,0.0009232065,0.0008193108,0.001074135,0.0005391879,0.001249487,0.0002674856],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.008360774,"about_ca_system_score_gemma":0.006965603,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.915934,"about_ca_topic_score_gemma":0.8986011,"domain_scores_codex":[0.9997682,0.00005059803,0.000005674208,0.00004585542,0.00002254713,0.0001071244],"domain_scores_gemma":[0.9992595,0.0003931084,0.00004477163,0.00003103672,0.0001824824,0.00008908692],"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":[0.0002148302,0.0003122981,0.01682067,0.00003505936,0.00005312675,0.0001227285,0.00009275602,0.9776728,0.001077537,0.0006778392,0.0005591422,0.002361258],"study_design_scores_gemma":[0.00005490217,0.0001104124,0.01198525,0.000008356023,0.00005064959,0.00001077511,0.0005777688,0.9857882,0.000750194,0.0002053405,0.0004320817,0.00002609061],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9955121,0.00004013759,0.000412861,0.00009273847,0.000005876223,0.00002762626,0.0003069997,0.0000200033,0.003581543],"genre_scores_gemma":[0.9957346,0.00006394391,0.0006086167,0.00002863433,0.000002366628,0.00001961443,0.0002606632,0.00001744768,0.003264169],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.08406603,"threshold_uncertainty_score":0.1691222,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01831624867199205,"score_gpt":0.2407913162354771,"score_spread":0.2224750675634851,"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."}}