自動車用燃料としてのアルコール(エタノール)　第6回　ガソリンに席巻されたその影に国として、会社としての利害有り　現在もエネルギーの主権争いは続いている：明るい未来に向かって　うつとの付合い　人生楽しく：So-netブログ

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自動車用燃料としてのアルコール(エタノール)　第6回　ガソリンに席巻されたその影に国として、会社としての利害有り　現在もエネルギーの主権争いは続いている　[科学技術　テクノロジー] [編集]

関連記事を見やすくするため、目次を用意しました。
枠で囲った科学技術(テクノロジー) を押すと関連記事の目次を開くことが出来ます。
目次から各記事を開くことが出来ます。ぜひお立ち寄りください。

第4回、第5回の2回に渡ってガソリンと、エタノールのどちらが自動車用燃料として優れているか3つのポイントで書いてきました。
[1]生産量(生産速度)
[2]生産コスト
[3]パワー
いずれもガソリンの方が上です。
と、ここまで文章を書き進めたところでウィキペディア日本語版の文章に目がとまりました。
ガソリンに舵を切ったのは上記3つの条件が整ったからだけではないようです。

ゼネラルモーターズ(GM 言わずとしれた世界の名だたる自動車会社)が1920年頃自社の自動車がガソリンを使うことで優位に立てるという戦略から石油会社と一緒になってガソリンを広めたようです。
1920年当時は中東での石油調査は始まっていましたが大油田の発見は1938年を待つことになります。
石油をたくさん売りたいアメリカ国内の石油会社と性能でアピールしたい自動車会社の利害が一致した結果、自動車用燃料としてガソリンがその地位を獲得が早まったと言えると思います。

暮らしが便利に、しかも安価に実現できる方法に飛びつくのは当たり前です。
当時の人間(現在もほとんどの人間がそう思っているようですが)地球は汚し続けても勝手に自浄作用で綺麗にしてくれるくらいに思っていたと思います。
汚しているという感覚さえなかったのでは。現在の人間でも地球を汚していると思っている人の割合はとても少ないのではと思っていますから、当時はもっと少なかったと想像します。
エネルギーを生み出すために汚した地球を浄化するコストが全てのエネルギーに課されるようになるまで、人間の考え方は変わらないのでしょうか。

エタノール、シェールガスの利用が取りざたされていてニュースや新聞にも取り上げられるようになりました。
脱石油は、環境問題、エネルギー枯渇、二酸化炭素排出抑制と言った単語によって人々の関心を引きつけています。
でも、その裏ではエネルギーの主導権争いがあると思います。
シェールガス、エタノール(トウモロコシ由来)はアメリカが推し進めている政策は中東からのエネルギー価格主導権奪還を狙ったものであると思っています。

シェールガス等については別途記事にしたいと思っています。

次回は、このシリーズの主題であるエタノールについて、エネルギー主導権争い度外視で本当にエタノールは佳いものなのか書いてみたいと思います。

今日もお付き合い頂きましてありがとうございました。

タグ：主導権エネルギーガソリンアルコールエタノール

2013-06-04 01:00 来たよ(69) コメント(15) トラックバック(0)
共通テーマ：自動車

来たよ 69

おはようございます。
毎日勉強させて戴いてます！
今は音質も良く・・・安価ですが、当時は親のスネかじりまくってました（笑）。
by YUTAじい (2013-06-04 04:49)

環境問題には関心を持っていますので
エネルギーについてもとても興味があります。
環境汚染にならない良いエネルギーは?

by yoko-minato (2013-06-04 04:58)

もう～最近難しい記事ばっかり・・(;_;)
コメント出来ない・・シクシク・・
by viviane (2013-06-04 10:38)

僕が子供の頃から石油はあと30年と言われていました。
新しい油田の開発や採掘技術の進歩が有ったのでしょうが、
必ず限りはありますよね。次の車どうしようかなあ。
by johncomeback (2013-06-04 19:09)

YUTAじいさん
　佳い時代でしたよね。
　今は音に重みが無くなりました。
by 楽しく生きよう (2013-06-05 23:51)

yoko-minatoさん
　佳いエネルギーは太陽光や、風力など自然を利用して作る物だと思っています。
by 楽しく生きよう (2013-06-05 23:52)

vivianeさん
　そう言いつつコメントいただけるだけで嬉しいです。
by 楽しく生きよう (2013-06-05 23:53)

johncomebackさん
　いつか化石燃料はなくなります。
　その前に地球上の空気が汚れるかな。
　調べないと軽くはいえませんね。
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