Hewitt Crane Quotes & Sayings
Enjoy the top 1 famous quotes, sayings and quotations by Hewitt Crane.
Famous Quotes By Hewitt Crane
Production of concrete is the third largest contributor of greenhouse gas emissions after electrical power production and automobiles. Moreover, the process used today is essentially the same as that used 150 years ago. Since cement manufacture is responsible for about 5% of global energy use and greenhouse gas emissions, reducing energy requirements for concrete manufacture could have a significant impact on both energy and the environment. — Hewitt Crane