Diary of a rail fan in Kansai,Japan(Ver.2)

About world's rail news, general news, my train pictures, and travel diary)

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. クリエイティブ・コモンズ 表示 - 非営利 - 改変禁止 4.0 国際 ライセンスの下に提供されています。

List of my travel diary My train photoes The other contents

Entries from 2018-06-12 to 1 day

Why is it difficult to sell environmentally favored concrete?

This concrete can trap CO2 emissions forever http://money.cnn.com/2018/06/12/technology/concrete-carboncure/index.htmlHow much it costs to produce concrete is an important factor to make it common to use that concrete. If it's not competit…