China Cleans Up
China is adding nuclear, hydroelectric, wind and solar power at an unrivaled pace.
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Follow the Flow
The trail of U.S. energy--what we use, and how we waste it
Ultra-Efficient Gas Engine Passes Test
Mike Rocke explains how his company, Transonic Combustion, improves the efficiency of gasoline engines by 50 to 75 percent.
Making More Solar Cells from Silicon
Frank van Mierlo, CEO of 1366 Technologies, talks about his company’s new “direct wafer” solar cell manufacturing process.
Scaling Up Solar Power
Applied Materials makes the equipment needed to produce the biggest solar panels in the world.
Scaling Up Solar Power
At Applied Materials headquarters in Santa Clara, CA, technicians are working on equipment for making the biggest solar cells on the market.
Searching for Biofuels' Sweet Spot
Technology Review visits an Amyris plant outside of Sao Paula, Brazil, and learns how the company turns sugar into diesel fuel.
Lifeline for Renewable Power
General Electric’s Juan de Bedout demonstrates the company’s software system to improve the electric grid.
The Lithium Rush
In the Bolivian Andes lies a vast salt flat that may shape the future of transportation.
A Material to Capture Carbon Dioxide
Allen Wright, senior staff associate at Columbia University, demonstrates a material that captures carbon dioxide from the air, which could be used to reduce atmospheric greenhouse gas concentrations.
