{
  "node": {
    "id": "term:zero-emission-vehicle",
    "type": "Term",
    "label": "Zero-emission vehicle",
    "properties": {
      "id": "zero-emission-vehicle",
      "name": "Zero-emission vehicle",
      "abbr": "ZEV",
      "section": "topic-applications",
      "definition": "A vehicle with no tailpipe emissions in any mode of operation — in practice battery-electric and hydrogen fuel-cell vehicles. The category underpins sales mandates, going back to California’s ZEV programme of 1990, that require a growing share of new sales to qualify; plug-in hybrids count only partly, if at all.",
      "related": [
        "electric-vehicle",
        "fuel-cell",
        "new-energy-vehicle",
        "hybrid-vehicle"
      ],
      "url": "https://lemonergy.com/learn/glossary/zero-emission-vehicle/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:6862",
      "source": "term:zero-emission-vehicle",
      "target": "topic:topic-applications",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:6863",
      "source": "term:zero-emission-vehicle",
      "target": "term:electric-vehicle",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6864",
      "source": "term:zero-emission-vehicle",
      "target": "term:fuel-cell",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6865",
      "source": "term:zero-emission-vehicle",
      "target": "term:new-energy-vehicle",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:6866",
      "source": "term:zero-emission-vehicle",
      "target": "term:hybrid-vehicle",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; 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:electric-vehicle",
      "type": "Term",
      "label": "Electric vehicle",
      "properties": {
        "id": "electric-vehicle",
        "name": "Electric vehicle",
        "abbr": "EV",
        "aka": [
          "BEV",
          "battery electric vehicle"
        ],
        "section": "topic-applications",
        "definition": "A vehicle driven by an electric motor from a battery charged from the grid. A battery electric vehicle has no engine; it is the largest market for lithium-ion cells and the driver of most pack technology.",
        "related": [
          "hybrid-vehicle",
          "range",
          "pack",
          "regenerative-braking",
          "maritime-battery",
          "industrial-vehicle-battery"
        ],
        "url": "https://lemonergy.com/learn/glossary/electric-vehicle/",
        "mentions": []
      }
    },
    {
      "id": "term:fuel-cell",
      "type": "Term",
      "label": "Fuel cell",
      "properties": {
        "id": "fuel-cell",
        "name": "Fuel cell",
        "section": "topic-other-chemistries",
        "definition": "An electrochemical converter that makes electricity from a fuel, usually hydrogen, and oxygen as long as both are supplied, rather than storing energy in its electrodes. Fuel-cell vehicles still carry a battery to buffer power.",
        "related": [
          "flow-battery",
          "hybrid-vehicle",
          "redox-reaction"
        ],
        "url": "https://lemonergy.com/learn/glossary/fuel-cell/",
        "mentions": []
      }
    },
    {
      "id": "term:new-energy-vehicle",
      "type": "Term",
      "label": "New energy vehicle",
      "properties": {
        "id": "new-energy-vehicle",
        "name": "New energy vehicle",
        "abbr": "NEV",
        "section": "topic-applications",
        "definition": "China’s policy category for battery-electric, plug-in hybrid (including range-extended) and fuel-cell vehicles, which receive green licence plates, purchase-tax relief and credits under the dual-credit rules. In the United States the same abbreviation means a neighbourhood electric vehicle, a low-speed car limited to about 25 mph.",
        "related": [
          "electric-vehicle",
          "hybrid-vehicle",
          "range-extended-ev",
          "fuel-cell",
          "zero-emission-vehicle"
        ],
        "url": "https://lemonergy.com/learn/glossary/new-energy-vehicle/",
        "mentions": []
      }
    },
    {
      "id": "term:hybrid-vehicle",
      "type": "Term",
      "label": "Hybrid and plug-in hybrid vehicle",
      "properties": {
        "id": "hybrid-vehicle",
        "name": "Hybrid and plug-in hybrid vehicle",
        "abbr": "HEV, PHEV",
        "section": "topic-applications",
        "definition": "A hybrid pairs an engine with a small battery, around 1 kWh, that is cycled hard for power rather than energy; a plug-in hybrid adds a 10–25 kWh pack that can be charged from the grid for electric-only driving. Their cells are designed for power and life rather than energy.",
        "related": [
          "electric-vehicle",
          "specific-power",
          "nickel-metal-hydride",
          "cycle-life",
          "48v-system"
        ],
        "url": "https://lemonergy.com/learn/glossary/hybrid-vehicle/",
        "mentions": [
          "kilowatt-hour"
        ]
      }
    }
  ]
}
