homeWelcome, sign in or click here to subscribe.login
     


 

 

Construction


Subscriber content preview

April 20, 2021

Winners of $20M contest make concrete to trap CO2

By MEAD GRUVER
Associated Press

CHEYENNE, Wyo. — Organizers of a $20 million contest to develop products from greenhouse gas that flows from power plants announced two winners Monday ahead of launching a similar but much bigger competition backed by Elon Musk.

Both winners made concrete that trapped carbon dioxide, keeping it out of the atmosphere, where it can contribute to climate change. Production of cement, concrete's key ingredient, accounts for 7% of global emissions of the greenhouse gas, said Marcius Extavour, XPRIZE vice president of climate and energy.


 
. . .


To read this story in full login or purchase a subscription.




Email or user name:
Password:
 
Forgot password? Click here.