{"id":"W2091031228","doi":"10.1016/j.jpowsour.2014.06.055","title":"Status of hydrogen fuel cell electric buses worldwide","year":2014,"lang":"en","type":"article","venue":"Journal of Power Sources","topic":"Fuel Cells and Related Materials","field":"Engineering","cited_by":198,"is_retracted":false,"has_abstract":false,"ca_institutions":"Ballard Power Systems (Canada)","funders":"Office of Energy Efficiency and Renewable Energy; Office of Science; University of Chicago; National Renewable Energy Laboratory; U.S. Department of Energy","keywords":"Fuel cells; Hydrogen fuel; Hydrogen vehicle; Engineering; Hydrogen economy; Key (lock); Proton exchange membrane fuel cell; Miles per gallon gasoline equivalent; Business; Environmental science; Green vehicle; Automotive engineering; Computer science; Fuel efficiency; Computer security","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000220079,0.0001140728,0.0002859799,0.0001866784,0.00001741652,0.00002395009,0.0001499262,0.00007613222,0.0001754358],"category_scores_gemma":[0.00003014006,0.0000856628,0.0001105918,0.0001472947,0.0000185219,0.00008393951,0.00001316186,0.0001589992,0.00002084592],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002336606,"about_ca_system_score_gemma":0.00001870984,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00000725331,"about_ca_topic_score_gemma":8.960335e-7,"domain_scores_codex":[0.9990283,0.00003254478,0.0004396148,0.00005392806,0.0001894159,0.0002562374],"domain_scores_gemma":[0.9994305,0.00006755378,0.0002210063,0.0001014786,0.00006584679,0.0001136427],"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":[0.0001270242,0.0002122511,0.004231833,0.002061143,0.0004864132,0.00005175791,0.003888395,0.1622024,0.8174816,0.00005522235,0.007879673,0.001322262],"study_design_scores_gemma":[0.001264823,0.0005493251,0.00170599,0.0001682059,0.0001560901,0.0000726672,0.0002056784,0.001707716,0.5948203,0.0008233857,0.3981619,0.0003639266],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9513141,0.02248898,0.0001072897,0.00001662817,0.0006166356,0.00003170203,0.000002023558,0.00002645535,0.0253962],"genre_scores_gemma":[0.9950863,0.004227468,0.0003322438,0.00001871658,0.0001371243,2.781824e-7,3.291958e-7,0.00002698339,0.0001705158],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3902822,"threshold_uncertainty_score":0.3493227,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004166733971325052,"score_gpt":0.1847050753237816,"score_spread":0.1805383413524565,"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."}}