{
  "schema_version": 1,
  "id": "pcr.metal-products-machinery-and-equipment.transport-equipment.passenger-car",
  "title": {
    "en-US": "Battery-electric passenger car manufacture",
    "zh-CN": "纯电乘用汽车制造"
  },
  "status": "candidate",
  "pcr_kind": "product_category_rule",
  "content_maturity": "authored_methodology",
  "version": "0.1.0",
  "domains": [
    "metal-products-machinery-and-equipment"
  ],
  "modules": {
    "core": [
      "pcr-minimum-content",
      "unit-of-analysis",
      "reference-flow",
      "inventory-flow-taxonomy",
      "system-boundary",
      "allocation",
      "data-quality",
      "validation-rules"
    ]
  },
  "target_entities": [
    "flow",
    "process",
    "lifecyclemodel",
    "dataset"
  ],
  "languages": {
    "canonical": "en-US",
    "available": [
      "en-US",
      "zh-CN"
    ]
  },
  "translation_status": {
    "zh-CN": "aligned"
  },
  "classification_refs": [
    {
      "system": "CPC",
      "version": "3.0",
      "code": "49113",
      "title": "Motor cars and other motor vehicles principally designed for the transport of persons (except public-transport type vehicles, vehicles specially designed for travelling on snow, and golf cars and similar vehicles)",
      "mapping_type": "narrower"
    }
  ],
  "review_metadata": {
    "scientific_review": "pending",
    "semantic_boundary_decision": "New complete configured battery-electric passenger-car manufacturing methodology, narrower than CPC49113. No same complete BEV material PCR found in local material index; battery/component PCRs are separate product gates. Exclude ICE, hybrid/range-extender, public-transport/snow/golf/goods vehicles, spares and customer transport service. Installed complete battery/drive/charger/control/body/chassis/interior/safety, declared delivered accessories and retained fluids define actual measured M. Factory charging and acceptance trials included. Old scaffold and shared classification assets untouched. Reviewed existing material vehicle-body and automotive wiring-set PCR scopes: standalone bodies and finished harnesses are distinct outputs from complete BEV cars. Site-fabricated body operations and purchased finished body gates must be mutually exclusive.",
    "unresolved_flow_identities": [
      {
        "row_id": "steel_sheet",
        "selected_flow": "Hot-dip-zinc-coated cold-rolled automotive steel sheet",
        "reason": "Search returned roof/corrugated galvanized stock or galvanizing service, not a verified automotive cold-rolled zinc-coated input gate. Only actual body stock issued, with steel grade, zinc coating, dimensions and delivered surface declared. Weigh net issued stock less returns and stock changes. Galvanized corrugated roof sheet and a galvanizing service are not this incoming automotive stock."
      },
      {
        "row_id": "solid_wire",
        "selected_flow": "Copper-coated solid carbon-steel welding wire",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only for the documented solid-wire route. Record wire designation and consumed mass; do not apply the flux-cored wire UUID."
      },
      {
        "row_id": "argon",
        "selected_flow": "Argon gas for welding",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only when pure argon is actually supplied and consumed; cylinder net mass records establish quantity. An argon/carbon-dioxide blend is a different formulated gas and must be a separate row with its composition."
      },
      {
        "row_id": "caustic",
        "selected_flow": "Sodium hydroxide cleaning reagent, supplied concentration declared",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only if the actual cleaning recipe uses sodium hydroxide. Collect supplied solution mass and concentration without treating it as pure substance mass; 95–98% grade identity is not applied to unknown-concentration baths. Each additional cleaning chemical needs its own atomic row."
      },
      {
        "row_id": "alkaline_effluent",
        "selected_flow": "Spent aqueous alkaline cleaning solution",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only when this single liquid waste stream leaves the boundary. Measure solution mass, pH and constituents and identify receiving treatment; it is a waste transfer, not an elementary water emission."
      },
      {
        "row_id": "ball_bearing",
        "selected_flow": "Steel radial ball bearing",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Record only this specific installed bearing type and mass; do not use a wind-turbine pitch bearing or a bearing cage identity."
      },
      {
        "row_id": "fastener",
        "selected_flow": "Carbon-steel bolt",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Record grade, coating and mass of installed bolts; nuts and washers are separately recorded if present and must not be merged into this bolt row."
      },
      {
        "row_id": "finished_machine",
        "selected_flow": "Complete configured battery-electric passenger car",
        "reason": "The generic Chinese passenger-car candidate references Volume and a fuel-consuming route. Other vehicle candidates are goods/public-transport products or travel services. No verified matching 1 kg complete configured BEV identity selected. One kilogram of the same complete accepted battery-electric passenger car with actual installed battery, drive/charger/control, body/chassis/interior/glazing/safety equipment, declared delivered accessories and retained fluids. Exclude people, payload, fixtures and transport packaging. Installed-pack and drive-module constituents are reconciled to prevent double counting. UUID unresolved: retrieved vehicle identities have mismatched scope or property."
      },
      {
        "row_id": "pack_board",
        "selected_flow": "Corrugated paperboard protective pad",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only where used; record grade, recycled content and mass. A specified fibre-mixture box is not assumed to represent this unspecified protective pad."
      },
      {
        "row_id": "aluminium_sheet",
        "selected_flow": "Aluminium alloy 6016 body-panel sheet",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual AA6016 sheet issued to site body stamping; record temper, thickness, surface and issue less unused returns. This grade is not required for every vehicle. A purchased finished panel replaces raw sheet and site forming; another alloy requires another row."
      },
      {
        "row_id": "aluminium_offcut",
        "selected_flow": "Waste AA6016 body-sheet offcut",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only segregated untreated AA6016 offcuts exported as waste; weigh and characterize coatings and contamination, with receiving route. Internal return to forming or sold finished panels are not this waste."
      },
      {
        "row_id": "body_adhesive",
        "selected_flow": "Epoxy structural body adhesive, supplied formulation declared",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only the actual supplied formulated adhesive with resin, hardener inclusion, fillers and concentration declared; weigh issue less unused returns. Separately supplied hardener is separately inventoried, not silently included. Do not prescribe structural adhesive for every joining route."
      },
      {
        "row_id": "body_rivet",
        "selected_flow": "Steel self-piercing body rivet",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actually installed steel self-piercing rivets with grade, coating and batch mass; collect installed counts and measured batch mass without a fabricated piece weight. Other fastening techniques need their own rows."
      },
      {
        "row_id": "spot_electrode",
        "selected_flow": "Finished CuCrZr resistance-welding electrode",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only net consumed/replaced electrodes attributable to actual resistance welding under the declared tooling policy. Record alloy, dressing losses, remaining stock and recovered metal separately. Capital welding equipment is not a per-car electrode input."
      },
      {
        "row_id": "phosphate",
        "selected_flow": "Zinc-phosphate conversion-coating concentrate",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only when the actual pretreatment recipe uses this supplier-defined concentrate; record all supplied constituents, concentration, consumed solution mass, bath returns and drag-out. Other conversion chemistries require independent rows; no universal phosphating recipe is prescribed."
      },
      {
        "row_id": "electrocoat",
        "selected_flow": "Cathodic epoxy electrocoat dispersion",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual supplied epoxy dispersion, with solids, additives and water/solvent composition declared. Record net fresh issue, returns, bath stock and internal ultrafiltration recovery without double counting circulation. Other resin systems need separate rows."
      },
      {
        "row_id": "basecoat",
        "selected_flow": "Waterborne acrylic automotive basecoat",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only this confirmed formulated colour coat, with resin, pigment, solvent/water and supplied solids specified. Weigh net applied/issued formulation; do not use a dry powder-coating identity. Other formulation needs an independent row."
      },
      {
        "row_id": "clearcoat_A",
        "selected_flow": "Hydroxyl-functional acrylic clearcoat component A",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual supplied A component, with resin, solvent and additives declared. Record consumed formulation mass independently from the HDI hardener; the manufacturer mixing ratio must be the actual recorded recipe, not a generic assumption."
      },
      {
        "row_id": "clearcoat_B",
        "selected_flow": "HDI-polyisocyanate clearcoat hardener",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual supplied hexamethylene-diisocyanate-based polyisocyanate hardener, with oligomer, solvent and concentration identified. Record B-component mass separately from clearcoat_A; other isocyanate chemistry is a separate exchange."
      },
      {
        "row_id": "butyl_acetate",
        "selected_flow": "n-Butyl acetate paint-line solvent",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual n-butyl acetate supplied separately for dilution or cleaning; weigh net issue and record purity. Solvent already in a formulated coat is not another purchase. Other solvents and mixed cleaning formulations have distinct rows."
      },
      {
        "row_id": "paint_sludge",
        "selected_flow": "Aqueous automotive paint-booth sludge waste",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only the characterized wet sludge actually transferred as waste, with dry solids, water, solvent and treatment route measured. It is not dry powder overspray, wastewater or a VOC air emission. Internal recovered coating is separately reconciled."
      },
      {
        "row_id": "butyl_acetate_air",
        "selected_flow": "n-Butyl acetate emission to air, unspecified subcompartment",
        "reason": "Retrieved n-butyl-acetate has Chinese baseName 正丁酸丁酯 inconsistent with acetate; directly read candidate additionally specifies indoor air, unlike this unspecified-air row. Other medium candidates retain bilingual chemical ambiguity. Only when actual speciated outlet monitoring identifies n-butyl acetate released after capture/treatment, with air subcompartment and attributable kg documented. Do not convert total VOC, captured solvent or a toluene/xylene identity to this exchange; no emission is assumed from solvent purchase alone."
      },
      {
        "row_id": "battery_nmc",
        "selected_flow": "Complete NMC lithium-ion traction battery pack",
        "reason": "Retrieved pack reference property is Energy and description concerns portable packs; NMC candidates are cathode powder or end-of-life/degraded material, not this complete traction pack. Supplier-configured physical pack requires its own identity. Only actual delivered nickel-manganese-cobalt cathode pack with supplier chemistry, capacity, cell/module/BMS/enclosure/cooling inclusion, serial, mass and state of charge declared. The historical BMW source supports installation only; NMC chemistry comes from actual supplier evidence. Finished pack is one physical assembly; do not also input its cells, electrolyte or included coolant. Capacity is metadata, not energy consumed at the vehicle factory."
      },
      {
        "row_id": "battery_lfp",
        "selected_flow": "Complete LFP lithium-ion traction battery pack",
        "reason": "Retrieved LFP candidates are cathode powder or cells, not this complete configured traction battery pack. Only actual delivered lithium-iron-phosphate cathode pack; declare the same constituent gate, capacity, mass, serial and charge state. This is a separate chemistry/configuration from battery_nmc. Activate only the actual pack configuration; mixtures or other chemistries need their own identified rows."
      },
      {
        "row_id": "drive_axle",
        "selected_flow": "Complete electric passenger-car drive axle",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  One actually supplied motor/reduction/differential physical assembly; specify included inverter, housing and fluids and measured mass. Do not duplicate constituent motors, magnets, gears or inverter already included. A separately supplied drive technology requires its own component row."
      },
      {
        "row_id": "traction_inverter",
        "selected_flow": "Complete automotive traction inverter",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only a separately supplied installed inverter with housing, power modules, control and coolant gate declared. Exclude inverter already included in drive_axle. Record supplier rating and measured mass; rating is not factory energy."
      },
      {
        "row_id": "onboard_charger",
        "selected_flow": "Complete passenger-car onboard charger",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Record actual finished charger and included converter/control/cooling, supplier rating, voltage and mass. A combined charger/converter replaces separate constituent inputs; external charging station is outside vehicle delivery."
      },
      {
        "row_id": "dc_converter",
        "selected_flow": "Complete automotive DC-DC converter",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual separately supplied converter outside the charger/inverter gate; record board, casing and cooling inclusion and measured mass. Do not duplicate integrated electronics."
      },
      {
        "row_id": "seat",
        "selected_flow": "Complete upholstered passenger-car seat",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  One actual seat assembly with frame, foam/textile composition, adjustment motor, sensor and airbag inclusion declared. Record installed count and measured assembly mass; do not separately input included modules."
      },
      {
        "row_id": "windscreen",
        "selected_flow": "Finished laminated-glass passenger-car windscreen",
        "reason": "Retrieved laminated-glass candidate has Area reference property and a broad glass-article gate, without evidence for a finished formed passenger-car windscreen. A measured area/mass relationship may support a later matching physical product; no public property is rewritten as Mass. Record actual formed laminated window with glass/interlayer/coating composition, dimensions and net mass. Tempered side windows and roof glazing are different physical products requiring separate rows. Mounting adhesive is separately recorded if actually supplied outside the window gate."
      },
      {
        "row_id": "wheel",
        "selected_flow": "Finished cast-aluminium-alloy passenger-car wheel",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual wheel with alloy, cast route, finish and net mass confirmed. Record installed count, including declared delivered spare; tyre/rim assembly bought complete replaces duplicated wheel and tyre inputs. Forged or steel wheels require independent rows."
      },
      {
        "row_id": "brake_caliper",
        "selected_flow": "Complete hydraulic passenger-car disc-brake caliper",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  One actual caliper assembly with body, piston, seals and pad inclusion declared; record type and measured mass. Discs, separate pads and brake fluid outside the supplied gate need their own inputs."
      },
      {
        "row_id": "suspension_strut",
        "selected_flow": "Complete passenger-car suspension strut",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Record one actual delivered strut with spring, damper, mount and filled-fluid gate specified and measured mass. Arms and other separately supplied suspension parts are distinct rows; factory-filled oil is not added twice."
      },
      {
        "row_id": "auxiliary_battery",
        "selected_flow": "Complete lead-acid 12 V automotive auxiliary battery",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual installed lead-acid auxiliary battery, with casing/electrolyte inclusion, capacity, mass and charge state declared. Lithium auxiliary systems require a distinct row; do not also input included lead or acid."
      },
      {
        "row_id": "vehicle_coolant",
        "selected_flow": "Aqueous ethylene-glycol automotive coolant, supplied concentration declared",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual separately filled solution, with glycol, water, additives and concentration documented. Weigh fresh issue/return and retained fill; prefilled bought modules are excluded. Pure glycol or wind-farm coolant is not this formulation."
      },
      {
        "row_id": "brake_fluid",
        "selected_flow": "DOT 4 glycol-ether brake fluid",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual supplier-confirmed glycol-ether/borate formulation with composition and net fill mass declared. Silicone DOT5 and mineral hydraulic oil are different exchanges. Do not count fluid already included in purchased filled modules."
      },
      {
        "row_id": "hfo_charge",
        "selected_flow": "HFO-1234yf refrigerant for vehicle thermal management",
        "reason": "Bounded flow searches did not establish matching substance/formulation or complete physical component, supplier gate and reference property. No proxy selected.  Only actual separately charged 2,3,3,3-tetrafluoropropene with purity, fill/return and retained mass documented. Other refrigerants require their own row. Factory-filled complete module contains its charge and is not charged again in inventory."
      },
      {
        "row_id": "hfo_air",
        "selected_flow": "HFO-1234yf emission to air, unspecified subcompartment",
        "reason": "Retrieved HFC-1234yf air-unspecified candidate has Mass but no CAS/composition declaration or official Chinese baseName. Substance interpretation relative to 2,3,3,3-tetrafluoropropene remains open; no stratospheric candidate or HFC-134a substitution. Only actual measured foreground release during charging/leak-test/rework, with substance, kg and air subcompartment established. Do not assume every charged kilogram leaks or prescribe an operating leakage factor. Captured returned refrigerant is not an air emission."
      }
    ],
    "unresolved_evidence": [
      "Actual measured M, full VIN/configuration BOM and supplier module boundaries, factory route, coating/fluid composition, charging meters and actual acceptance criteria require foreground collection. No per-car mass, life, universal process or numerical limit invented.",
      "Scientific and independent translation reviews pending. 2019/2020 manufacturer announcements support historical qualitative architecture only, not present plant practice or quantitative manufacturing intensity."
    ],
    "identity_rejections": [
      {
        "row_id": "finished_machine",
        "reason": "The generic Chinese passenger-car candidate references Volume and a fuel-consuming route. Other vehicle candidates are goods/public-transport products or travel services. No verified matching 1 kg complete configured BEV identity selected."
      },
      {
        "row_id": "battery_nmc",
        "reason": "Retrieved pack reference property is Energy and description concerns portable packs; NMC candidates are cathode powder or end-of-life/degraded material, not this complete traction pack. Supplier-configured physical pack requires its own identity."
      },
      {
        "row_id": "battery_lfp",
        "reason": "Retrieved LFP candidates are cathode powder or cells, not this complete configured traction battery pack."
      },
      {
        "row_id": "windscreen",
        "reason": "Retrieved laminated-glass candidate has Area reference property and a broad glass-article gate, without evidence for a finished formed passenger-car windscreen. A measured area/mass relationship may support a later matching physical product; no public property is rewritten as Mass."
      },
      {
        "row_id": "hfo_air",
        "reason": "Retrieved HFC-1234yf air-unspecified candidate has Mass but no CAS/composition declaration or official Chinese baseName. Substance interpretation relative to 2,3,3,3-tetrafluoropropene remains open; no stratospheric candidate or HFC-134a substitution."
      },
      {
        "row_id": "butyl_acetate_air",
        "reason": "Retrieved n-butyl-acetate has Chinese baseName 正丁酸丁酯 inconsistent with acetate; directly read candidate additionally specifies indoor air, unlike this unspecified-air row. Other medium candidates retain bilingual chemical ambiguity."
      },
      {
        "row_id": "steel_sheet",
        "reason": "Search returned roof/corrugated galvanized stock or galvanizing service, not a verified automotive cold-rolled zinc-coated input gate."
      }
    ],
    "inventory_contract": {
      "atomic_flows": "v1",
      "localized_flow_names": "tiangong_zh_v1"
    }
  }
}
