INVENTION AWARDS A Green Brick

A new building block made from the pressurized byproducts of coal-power plants saves energy and cuts down on pollutants

By Lauren Aaronson Posted 05.16.2007 at 2:00 am 0 Comments

by John B. Carnett: Building Blocks: Henry Liu cures his fly-ash bricks in an enrgy-efficient steam bath. Photo by John B. Carnett

Name: Fly-Ash Brick

Inventors: Henry Liu

Cost to Develop:
$600,000

Time: 20,000 hours

Prototype | | | | | Product

The U.S. churns out nine billion clay bricks a year-every one of them an expensive environmental nightmare. They require costly mining and bake in 2,000

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