Alternative Energy

Renewables Help South Africa Save Its Grid

October 6, 2015
Starting with almost zero renewable energy in 2010, South Africa has now built out more than 1,000 megawatts of solar and 800 of wind power. This was made possible by opening up...

HP's Switch to Wind Power Signals US Tipping Point

October 8, 2015
Hewlett Packard recently signed a long-term power purchase agreement (PPA) for a Texas wind-farm developer to supply 112 megawatts of renewable energy to the company's state-wide...

Dow Buying Texas Wind to Power Its Freeport Plant

August 13, 2015
The new state motto of Texas may soon be "Come for the natural gas but stay for the wind." Look no further than Dow Chemical to see how this has played out. The company had been...

High-Tech Flywheels Help Bring Stability to Grid

March 20, 2015
Pioneering flywheel developer Beacon Power is becoming one of the success stories of the evolving power grid. Its flywheels help to correct the obvious shortcomings of grid 1.0 by...

Electric Buses a Hit in Southern California

May 1, 2015
One South Carolina company is popularizing the battery-powered bus to great success in Southern California, pushing polluting, diesel-fueled buses off the streets.

Elon Musk Unveils Tesla Home Battery Storage

May 5, 2015
After dropping hints about a new product launch for months, when CEO Elon Musk walked on stage at the Tesla's design studio in Hawthorne, California, he faced a revved-up crowd of...

Algal Biofuels: The Backstory

SBE Special Section
Arjun Gopalratnam
Increasing energy demand and dwindling energy resources have spurred interest in making transportation fuels from renewable sources such as microalgae.

The Hydrogen Economy Is Coming - The Question is Where?

On The Horizon
Charles W. Forsberg
The end of the oil age is coming. While the replacements for oil are uncertain, the leading candidates have one thing in common — the need for massive quantities of hydrogen in the production process.

Fuel Cells, the Hydrogen Economy and You

On The Horizon
Herbert W. Cooper
Chemical engineers will play an important role in the development and deployment of fuel cells. This primer summarizes some of the key technical and economic issues that must be overcome.

CEP: News Update

News Update
Updates Include: The Natural Gas Debate Continues Smart Material Stays Cool in the Heat Firefly-Semiconductor Hybrid Lights Up Ionic Liquid Improves Hydrogen-Producing Catalyst One-Pot Synthesis Yields Zeolites at Bargain Prices High-Carbon Diet...

Nuclear Power: Fueling the Hydrogen Economy

Special Section
William A. Summers
Nuclear hydrogen might first enter the transportation market to supplement existing fossil resources. In the long-term, it could be a key in the development of a hydrogen economy.

Conference Explores Developing Bioeconomy

Special Section
Brad Buecker
Infrastructure, biomass conversion, sources of biomass, and environmental and other impacts are some of the challenges facing the commercialization of biofuels.

Renewable Power: Not Yet Ready for Prime Time

Special Section
David E. Gushee, Bernard S. Lee
Before renewable sources such as wind and solar can contribute significantly to the overall energy mix, massive electricity storage is needed to turn the raw power into dispatchable power.

Harnessing Natural Energy

Special Section
Travis W. Walker
Before solar and wind energy can be widely exploited, a method for storing the energy provided by these intermittent sources and releasing it as demand arises must be developed.

The Role for Biofuels

SBE Special Section
Carrie Atiyeh, Tim Eggeman
The advanced biofuels industry is at a critical stage of development and deployment.

Gazing into an Energy Crystal Ball

On The Horizon
Vern W. Weekman Jr.
By mid-century, new energy sources could be integrated into the existing chemical-conversion infrastructure, but additional research is needed to fine-tune the technologies and improve efficiencies and economics.
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