2c:null 2d:["$","title",null,{"children":"What is environmentally friendly automobile development? | kom-shin | Observable"}] 32:T7cf,chart = { const svg = d3.create("svg") .attr("viewBox", [0, 0, width, height]); //軸の設定 svg.append("g") .call(xAxis); svg.append("g") .call(yAxis); //折れ線グラフの設定 const serie = svg.append("g") .selectAll("g") .data(series) .join("g"); //線の描画 serie.append("path") .attr("fill", "none") .attr("stroke", d => color(d[0].key)) .attr("stroke-width", 1) .attr("d", line); //文字の追加 serie.append("g") .attr("font-family", "sans-serif") .attr("font-size", 11) .attr("text-anchor", "end") .attr("font-weight", "bold") .selectAll("text") .data((d, i) => d.filter((d, i, data) => i === data.length - 1)) .join("text") .text(d => d.key) .attr("x", d => x(d.year)) .attr("y", d => y(d.value) - 10) .clone(true).lower() .attr("fill", "none") .attr("stroke", "white") .attr("stroke-width", 3); svg .append('text') .attr('x',50) .attr('y',12) .text("-：ガソリン車（SUZUKI_BALENO_XT）") 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development?","thumbnail":"7866616dacab23870b77f4184f26725e6a661be5dcf13588caa5bfef2c8c5d4a","access_level":"public","create_time":"$D2021-01-08T06:01:07.714Z","update_time":"$D2021-04-29T07:58:40.887Z","view_time":null,"first_public_time":"$D2021-01-08T06:29:16.302Z","has_unpublished_edits":null,"fork":false,"stars":0,"starred":false,"owner":{"type":"team","id":"aac889ca864777ad","login":"kom-shin","name":"","avatar_url":"https://avatars-next.observableusercontent.com/780884286f059ec8795e6c3fc5c29d062aa51c84063a8f776bb696189a2b20bc","tier":"starter_2024"},"version":708,"publish_version":708,"role":null,"authored":false,"authors":[{"type":"individual","id":"d22ce38c122609b3","login":"kom-shin","name":"","avatar_url":"https://avatars-next.observableusercontent.com/780884286f059ec8795e6c3fc5c29d062aa51c84063a8f776bb696189a2b20bc","tier":null}],"members":[{"type":"individual","id":"d22ce38c122609b3","login":"kom-shin","name":"","avatar_url":"https://avatars-next.observableusercontent.com/780884286f059ec8795e6c3fc5c29d062aa51c84063a8f776bb696189a2b20bc","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"titling":"auto","title":"What is environmentally friendly automobile development?","cells":[{"id":0,"value":"md`# What is environmentally friendly automobile development?`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":247,"value":"md`##### **本当に環境に良い自動車を作るためには？**`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":228,"value":"md`## 2030年前半、ガソリン車は販売禁止に。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":46,"value":"md`2020年12月に「2030年前半にガソリン車の販売禁止」という報道があった。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":237,"value":"md` ガソリン車は従来よりそのCO2排出量の高さから度々問題視されていきていたため、妥当な判断であろう。\nそうした中、我々は改めてガソリン車に代わる自動車とは何かを考える必要性に迫られている。すなわち、「環境に良い自動車とは」というテーマについて考える必要があるのだ。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":13,"value":"md`そうした議論は、LCA（ライフサイクルアセスメント）とCFP（カーボンフットプリント）抜きに語ることはできない。そのため、本記事ではまず、この２つについて掘り下げつつ、「本当に環境に良い自動車とは何か」考えていく。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":320,"value":"md``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":17,"value":"md`## LCA・CFPという指標`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":274,"value":"md`まず、CFP/LCAのそれぞれについて、石塚明克氏（産業環境管理協会）の説明を示しつつ、それを基に説明したい。

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":257,"value":"md`### CFP（カーボンフットプリント）とは？`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":382,"value":"md`CFPの定義は、以下のように説明される。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":19,"value":"md`###### \"日頃使用・利用している商品・サービスの原材料調達から廃棄・リサイクルに至るまでのライフサイクル全体を通して排出される温室効果ガスの排出量をCO2に換算して、当該商品及びサービスに簡易な方法で分かり易く表示する仕組みである。\"
SOKEIZAI Vol.51（2010）No.3　より引用（一部修正）`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":386,"value":"md`つまり、CFPは自動車の製造～廃棄まですべての過程でどれだけCO2が出るかを示した値なのだ。この指標を用いることで、全ての局面において、その自動車が環境にどれだけ影響を与えるかを推測することができるのだ。

`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":261,"value":"md`### LCA（ライフサイクルアセスメント）とは？`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":415,"value":"md`LCAの定義は、以下のように説明されている。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":20,"value":"md`###### \"カーボンフットプリントを算出するためには、対象となる製品のライフサイクルでの関連データの収集、収集したデータを使っての温室効果ガス排出量の計算ルール、及び温室効果ガス排出量に換算するためのデータベース(共通原単位)などが必要となるが、LCA(ライフサイクルアセスメント)はこれらの計算手法をさす。\"
SOKEIZAI Vol.51（2010）No.3　より引用（一部修正）`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":420,"value":"md`つまり、LCAはCFPを求めるための手法のことを指すのだ。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":501,"value":"md``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":309,"value":"md`次に、それらの関係性についても石塚氏の説明を基に掘り下げていきたい。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":303,"value":"md`### CFPとLCAの関係と問題点`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":372,"value":"md`石塚氏の説明においては、CFPとLCAの関連性さらにはLCAに用いられる指標について以下のように説明されている。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":22,"value":"md`###### \"カーボンフットプリントの数値を算定するためのツールとしてLCA 手法がその基礎になっている。LCA とは製品のライフサイクル(原材料調達から廃棄・リサイクルまで)における投入資源、環境負荷及びそれらによる地球や生態系への環境影響を定量的に評価する方法で、環境影響のなかには現在世界的に注目されている、二酸化炭素を中心とするGHG(温暖化効果ガス)による地球温暖化を始め、酸性化、富栄養化、資源枯渇などが含まれている。カーボンフットプリント制度とは、このLCAを使い、製品のライフサイクル全般で排出された温室効果ガスに環境影響の対象を限定し、それらの温室効果ガスが地球温暖化に与える影響の程度によりCO2相当量に換算・合計し、表示する制度で、京都議定書で対象となっている6種類のガス(CO2、 CH4、N2O、HFCs、PFCs、SF6)を対象としている。\"
SOKEIZAI Vol.51（2010）No.3　より引用（一部修正）`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":428,"value":"md`ここから、LCAの計算においては、自動車の製造～廃棄までの地球や生態系への環境影響が指標とされていることがわかる。その指標の中には、世界的に注目を集めている、地球温暖化・酸性化まつわる項目も含まれている。(CFPでは、これらの中から温室効果ガスによる影響のみに絞り、それが地球温暖化に与える影響をその程度によってCO2相当量に変換して示している。)`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":44,"value":"md`しかし、LCAの計算に用いられる指標は曖昧である。「どの指標をどう用いるか」は計算の実施者に委ねられる部分が大きくなってしまうのである。
そのため、LCAによって製品等が比較評価される場合、企業の多くは自社製品がいかに環境負担が少ないかをアピールしようとすると言われている。そのため、LCAの実施結果を見る際には、LCAが中立な立場で実施されたものなのか、何かしらのバイアスがかかっているかどうかを見極める力が求められることがある。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":297,"value":"md``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":532,"value":"md`こうしたことから、「本当に環境に良い自動車とは何か」を考える場面においてはバイアスのかかっていない第三者による計算が必要になってくることがわかる。
\nそこで今回は、LCA計算を用い、CFP制度によるCO2排出量の比較を行っていく。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":488,"value":"md``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":284,"value":"md`## CFPを用いた、自動車の系統とCO2排出量の関係性`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":292,"value":"md`自動車の電動化によってどれほどCO2が削減できるのか見ていきたい。
\n実際にLCA計算を行い、CFP制度で自動車の系統別にCO2排出量の比較をしていく。
\n以下のグラフは、その計算結果を示したものである。「ガソリン車」「ディーゼル車」「HV車（ハイブリッド車）」「EV車（電気自動車）」を対象に、その走行距離とCO2排出量の関係性を示したものだ。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":522,"value":"md`###### ※走行距離が0kmの時のCO2排出量は、製造時のCO2排出量を指す。
※製造～廃棄の全過程におけるCO2排出量を考慮している。
※LCA計算に用いた情報は参考文献に記載する。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":39,"value":"md`### 車の系統とCO2排出量`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":42,"value":"$32","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":32,"value":"md`ガソリン車、EV車、ディーゼル車はHV車と比較し、走行距離が短い時はCO2排出量は少ない。これらの系統は、HV車と比較し、製造段階でのCO2排出量が抑えられているためだ。
一方で、HV車はガソリン車・ディーゼル車と比較すると、走行距離が長い時にCO2排出量が抑えられている。HV車は、製造段階ではCO2を多く排出するものの、走行時の排出量は抑えられているためである。
\nまた、EV車のCO2排出量は、比較的抑えられているように見えるが、10万キロ、20万キロと一定距離まとまったCO2排出があることがわかる。これは、EV車が一定距離で電池交換を必要とするためであり、そこでCO2を排出するためである。今回取り上げたEV車は電池交換の頻度が高くないため、CO2排出量が他の自動車系統よりは抑えられているが、電池交換が頻繁に必要とされるEV車の場合は、交換時のCO2排出量は大きな課題となる。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":323,"value":"md``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":62,"value":"md`## まとめ`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":36,"value":"md` HV車は初期製造、リサイクル・廃棄など走行時以外のCO2排出量が多くなっている。また、EV車は電池のゴミによるCO2排出量の多さが課題となる。そのため、走行時以外でのCO2排出量を抑えたEV車や、電池を交換する機会を減らすために長持ちする電池の開発が必要だと考えられる。`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":326,"value":"md``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":207,"value":"md`#### 参考文献`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":222,"value":"md`http://sokeizai.or.jp/japanese/publish/200706/201003ishizuka.pdf`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":683,"value":"md`https://www.jsae.or.jp/engine_rev/backnumber/09-06/docu/enginereview_09_06_01.pdf`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":684,"value":"md`https://www.env.go.jp/air/report/h22-02/06_chpt3.pdf`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":692,"value":"md`https://lexus.jp/models/is/spec_price/`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":686,"value":"md`https://www.mazda.co.jp/globalassets/assets/cars/atenza/common/pdf/atenza_specification_201811.pdf`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":704,"value":"md`https://toyota.jp/pages/contents/prius/004_p_001/pdf/spec/prius_ecology_201512.pdf`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":55,"value":"md`#### 以下準備等`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":123,"value":"height = 300","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":287,"value":"width = 400;","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":126,"value":"margin = ({top: 30, right: 50, bottom: 30, left: 40})","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":80,"value":"dataset = FileAttachment(\"LCA_revised_edition2@1.csv\").text()","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":82,"value":"data = d3.csvParse(dataset, d3.autoType)","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":695,"value":"Lexus_IS_350_Data = data.map(({[\"Lexus_IS_350_Gas\"]: value, mileage}) => ({key:\"Lexus_IS_350_Gas\", mileage: mileage, value: value})) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":89,"value":"SUZUKI_BALENO_XT_Data = data.map(({[\"SUZUKI_BALENO_XT_Gas\"]: value, mileage}) => ({key:\"SUZUKI_BALENO_XT_Gas\", mileage: mileage, value: value})) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":90,"value":"TOYOTA_VITZ_Data = data.map(({[\"TOYOTA_VITZ_1.3U_Gas\"]: value, mileage}) => ({key:\"TOYOTA_VITZ_1.3U_Gas\", mileage: mileage, value: value})) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":98,"value":"Mazda_Atenza_XD_L_Data = data.map(({[\"Mazda_Atenza_XD_L_Diesel\"]: value, mileage}) => ({key:\"Mazda_Atenza_XD_L_Diesel\", mileage: mileage, value: value})) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":99,"value":"Mazda_demio_XD_Data = data.map(({[\"Mazda_demio_XD_Diesel\"]: value, mileage}) => ({key:\"Mazda_demio_XD_Diesel\", mileage: mileage, value: value})) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":105,"value":"TOYOTA_prius_A_Data = data.map(({[\"TOYOTA_prius_A_HV\"]: value, mileage}) => ({key:\"TOYOTA_prius_A_HV\", mileage: mileage, value: value})) ","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":562,"value":"EV_20kWh_100_Data = data.map(({[\"EV_20kWh_100\"]: value, mileage}) => ({key:\"EV_20kWh_100\", mileage: mileage, value: value}))","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":116,"value":"series = [Lexus_IS_350_Data, Mazda_Atenza_XD_L_Data, TOYOTA_prius_A_Data ,EV_20kWh_100_Data]","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":129,"value":"color = d3.scaleOrdinal()\n .domain([\"Lexus_IS_350_Gas\", \"Mazda_Atenza_XD_L_Diesel\", \"TOYOTA_prius_A_HV\", \"EV_20kWh_100\"])\n .range([\"#3030b0\", '#80b030', '#b03080', '#038003']);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":132,"value":"x = d3.scaleLinear()\n .domain([data[0].mileage, data[data.length - 1].mileage])\n .range([margin.left, width - margin.right]);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":135,"value":"y = d3.scaleLinear()\n .domain([0, d3.max(series, s => d3.max(s, d => d.value))]).nice()\n .range([height - margin.bottom, margin.top]);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":140,"value":"line = d3.line()\n .x(d => x(d.mileage))\n .y(d => y(d.value));","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":143,"value":"xAxis = g => g\n .attr(\"transform\", `translate(0,${height - margin.bottom})`)\n .call(d3.axisBottom(x)\n // .ticks(EV_20kWh_100_Data.length)\n .ticks(5)\n .tickSizeOuter(0)\n .tickFormat(d3.format(\".6\")))\n .call(g => g.select(\".tick:last-of-type text\").clone()\n .attr(\"x\", 15)\n .attr(\"font-size\", 11)\n .attr(\"text-anchor\", \"start\")\n .attr(\"font-weight\", \"bold\")\n .text(\"km\"))\n .call(g => g.select(\".domain\").remove())\n .attr(\"color\", \"lightgray\")\n .attr(\"font-size\", 8)\n .attr(\"stroke-width\", 0.8);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":150,"value":"yAxis = g => g\n .attr(\"transform\", `translate(${margin.left}, 0)`)\n .call(d3.axisLeft(y)\n .tickSize(- width + margin.right + margin.left))\n .call(g => g.select(\".tick:last-of-type text\").clone()\n .attr(\"y\", -20)\n .attr(\"x\", -20)\n .attr(\"font-size\", 11)\n .attr(\"text-anchor\", \"start\")\n .attr(\"font-weight\", \"bold\")\n .text(\"kg\"))\n .call(g => g.select(\".domain\").remove())\n .attr(\"color\", \"lightgray\")\n .attr(\"font-size\", 8)\n .attr(\"stroke-width\", 0.8);","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":155,"value":"d3 = require(\"d3@6\")","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"},{"id":194,"value":"style = html``","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","providerMetadata":"$undefined","attachments":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W33","stdlib":"1"}} 31:"$30:body"