Dennis Faas's picture

Dirt Batteries to Help Bridge Gap in Wind, Solar

A startup company called Energy Vault is developing a system that uses gravity to store renewable energy generated by wind and solar panels. The system works by hoisting hundreds of large 24-ton bricks made of compressed dirt up the side of a ... building. It hoists the gigantic brick batteries using energy previously generated by solar panels or wind turbines, then stores them inside the structure. (Source: ) When power is needed, the bricks are lowered, spinning electrical power generators in the process. The bricks are abundant and cheap to make, and replace the need to purchase ... (view more)

Dennis Faas's picture

Google Spends Green to Go Green

Representatives from Google recently revealed the company's 2008 initiative to research, fund, and supply energy resources to replace coal, a major culprit in global warming. "We have gained expertise in designing and building large-scale, ... energy-intensive facilities by building efficient data centers," said Google cofounder Larry Page. "We want to apply the same creativity and innovation to the challenge of generating renewable electricity at globally significant scale, and produce it cheaper than from coal." (Source: ) The Renewable Energy Cheaper Than Coal (RE<C) ... (view more)

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