{
  "node": {
    "id": "term:electric-truck",
    "type": "Term",
    "label": "Electric truck",
    "properties": {
      "id": "electric-truck",
      "name": "Electric truck",
      "aka": [
        "battery-electric truck",
        "e-truck"
      ],
      "section": "topic-applications",
      "definition": "A battery-electric medium- or heavy-duty goods vehicle. A long-haul tractor carries several hundred kilowatt-hours — Mercedes-Benz’s eActros 600 has 621 kWh of LFP in three packs for about 500 km — and needs megawatt charging to refill during a driver’s rest, while the battery’s mass eats into payload.",
      "related": [
        "mcs",
        "electric-bus",
        "lfp",
        "depot-charging",
        "total-cost-of-ownership",
        "electric-lcv"
      ],
      "url": "https://lemonergy.com/learn/glossary/electric-truck/",
      "mentions": [
        "kilowatt-hour"
      ]
    }
  },
  "edges": [
    {
      "id": "edge:6880",
      "source": "term:electric-truck",
      "target": "topic:topic-applications",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:6881",
      "source": "term:electric-truck",
      "target": "term:mcs",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6882",
      "source": "term:electric-truck",
      "target": "term:electric-bus",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6883",
      "source": "term:electric-truck",
      "target": "term:lfp",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6884",
      "source": "term:electric-truck",
      "target": "term:depot-charging",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6885",
      "source": "term:electric-truck",
      "target": "term:total-cost-of-ownership",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6886",
      "source": "term:electric-truck",
      "target": "term:electric-lcv",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:mentions/electric-truck/kilowatt-hour",
      "source": "term:electric-truck",
      "target": "term:kilowatt-hour",
      "type": "mentions",
      "properties": {
        "sourceFile": "terms.json",
        "method": "build_glossary.mention_index + mentions",
        "field": "definition",
        "meaning": "Text mention; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-applications",
      "type": "Topic",
      "label": "Applications and market",
      "properties": {
        "id": "topic-applications",
        "name": "Applications and market",
        "lede": "Where batteries are used, and the terms used to buy, size and compare them.",
        "context": "Start with mission energy, peak power and operating conditions.",
        "example": "20 kWh total energy and a ten-second 100 kW peak constrain different design aspects.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/capacity-and-c-rate/",
        "lesson_label": "Open energy and power"
      }
    },
    {
      "id": "term:mcs",
      "type": "Term",
      "label": "Megawatt Charging System",
      "properties": {
        "id": "mcs",
        "name": "Megawatt Charging System",
        "abbr": "MCS",
        "aka": [
          "SAE J3271"
        ],
        "section": "topic-infrastructure",
        "definition": "The connector and protocol standard for charging heavy trucks and coaches at up to 3.75 MW — up to 3000 A at 1250 V — so a long-haul truck can recharge during a driver’s mandatory break. It uses ISO 15118 communication over Ethernet rather than power-line signalling.",
        "related": [
          "hpc",
          "dc-fast-charging",
          "iso-15118",
          "pack-voltage",
          "electric-bus"
        ],
        "url": "https://lemonergy.com/learn/glossary/mcs/",
        "mentions": []
      }
    },
    {
      "id": "term:electric-bus",
      "type": "Term",
      "label": "Electric bus",
      "properties": {
        "id": "electric-bus",
        "name": "Electric bus",
        "abbr": "e-bus",
        "section": "topic-applications",
        "definition": "A battery-electric city or coach bus, with packs of 300–700 kWh on the roof and at the rear, LFP or NMC, charged overnight in the depot or at the terminus by pantograph. Its duty cycle — long hours, deep daily cycles, a twelve-year life — makes battery aging the central engineering question.",
        "related": [
          "depot-charging",
          "pantograph-charging",
          "vdv",
          "sort-cycle",
          "total-cost-of-ownership",
          "opportunity-charging"
        ],
        "url": "https://lemonergy.com/learn/glossary/electric-bus/",
        "mentions": [
          "kilowatt-hour"
        ]
      }
    },
    {
      "id": "term:lfp",
      "type": "Term",
      "label": "LFP",
      "properties": {
        "id": "lfp",
        "name": "LFP",
        "aka": [
          "lithium iron phosphate",
          "LiFePO₄"
        ],
        "section": "topic-chemistries",
        "definition": "A positive electrode material, LiFePO₄, giving cells a nominal voltage around 3.2 V, long cycle life and good thermal stability, but less energy per kilogram than nickel-rich oxides. Its flat voltage curve makes state of charge hard to read from voltage alone.",
        "related": [
          "cathode-active-material",
          "nmc",
          "lmfp",
          "ocv-soc-curve",
          "cycle-life"
        ],
        "lesson": "fundamentals/cell-anatomy/#voltage",
        "example": {
          "title": "Chemistry is not the whole datasheet",
          "text": "Two LFP products can differ in format, loading, capacity and current limits. Their cathode family alone does not make them interchangeable."
        },
        "url": "https://lemonergy.com/learn/glossary/lfp/",
        "mentions": [
          "electrode",
          "positive-electrode",
          "nominal-voltage",
          "discharge-curve",
          "state-of-charge"
        ]
      }
    },
    {
      "id": "term:depot-charging",
      "type": "Term",
      "label": "Depot charging",
      "properties": {
        "id": "depot-charging",
        "name": "Depot charging",
        "aka": [
          "overnight charging"
        ],
        "section": "topic-infrastructure",
        "definition": "Charging a fleet of buses or trucks at the depot, usually overnight at 50–150 kW per vehicle, which keeps cell stress low and lets an energy-management system sequence the chargers against the site’s grid connection.",
        "related": [
          "electric-bus",
          "pantograph-charging",
          "energy-management-system",
          "vdv-261",
          "fast-charging",
          "smart-charging"
        ],
        "url": "https://lemonergy.com/learn/glossary/depot-charging/",
        "mentions": []
      }
    },
    {
      "id": "term:total-cost-of-ownership",
      "type": "Term",
      "label": "Total cost of ownership",
      "properties": {
        "id": "total-cost-of-ownership",
        "name": "Total cost of ownership",
        "abbr": "TCO",
        "section": "topic-applications",
        "definition": "Purchase price plus energy, maintenance and residual value over a vehicle’s or system’s life. For buses and trucks it is the figure that decides the case for batteries, because fuel and maintenance savings repay the higher purchase price.",
        "related": [
          "cost-per-kwh",
          "levelized-cost-of-storage",
          "second-life",
          "electric-bus"
        ],
        "url": "https://lemonergy.com/learn/glossary/total-cost-of-ownership/",
        "mentions": []
      }
    },
    {
      "id": "term:electric-lcv",
      "type": "Term",
      "label": "Electric light commercial vehicle",
      "properties": {
        "id": "electric-lcv",
        "name": "Electric light commercial vehicle",
        "abbr": "e-LCV",
        "aka": [
          "electric van",
          "eLCV"
        ],
        "section": "topic-applications",
        "definition": "A battery-electric van or pickup of up to 3.5 tonnes gross weight, category N1 in Europe, used for parcel delivery and trades. Packs of about 50–110 kWh suit predictable urban routes and overnight depot charging, but payload is tight: every kilogram of battery is a kilogram less of goods.",
        "related": [
          "electric-vehicle",
          "depot-charging",
          "electric-truck",
          "energy-density",
          "fleet-telematics"
        ],
        "url": "https://lemonergy.com/learn/glossary/electric-lcv/",
        "mentions": [
          "kilowatt-hour"
        ]
      }
    },
    {
      "id": "term:kilowatt-hour",
      "type": "Term",
      "label": "Kilowatt-hour",
      "properties": {
        "id": "kilowatt-hour",
        "name": "Kilowatt-hour",
        "abbr": "kWh",
        "section": "topic-units",
        "definition": "One thousand watt-hours, the unit for pack and system energy. An electric car carries 40–100 kWh; grid storage is quoted in megawatt-hours (1000 kWh) and factory output in gigawatt-hours per year.",
        "unit": "kWh",
        "related": [
          "watt-hour",
          "nominal-energy",
          "cost-per-kwh",
          "gigafactory"
        ],
        "url": "https://lemonergy.com/learn/glossary/kilowatt-hour/",
        "mentions": []
      }
    }
  ]
}