May/June 2008
Vol. 6, No. 3   

Microgrids Up and Running 
In February 2008, the first two Consortium for Electric Reliability Technology Solutions commercial applications were commissioned; perhaps no other technology promises to be as critical to the future of distributed energy.
By David Engle

Comfortable Savings
Efficiency to keep us cool or warm grows more important every day.
By Paul Hull

Matching Supply and Demand
With more than 10 million cases of produce passing through its facilities in any given year, Guadalupe Cooling Co. finds the answer via demand response.
By Andrea Estrada

Internal Combustion Engines and Their Emission Controls
The first of two articles on the science and mechanics of reducing air
pollutants
By Daniel P. Duffy

Making Sour Gas Into Sweet Energy 
A 2004 report by the World Bank provided the shocking news: Every year, energy producers waste more than $40 billion by burning off gas at their oil fields and sending it into the atmosphere.
By Dan Rafter

Innovations in UPS Systems
Uninterruptible power supply technology has undergone transformative changes in the past three years, as information technology managers struggle with ever-increasing, data-handling demands and increasing energy expenses.
By Lyn Corum

Mexican Cement Plant Uses Rental Power Units for Startup
Cementos Cruz Azul, one of the world’s largest producers of Portland cement, recently constructed a new cement plant near the town of Palmar del Bravo, 53 miles south of the city of Puebla.
By Robert Sheldon

A Groundswell for Geothermal
Though the US is the world’s largest producer of geothermal electricity, generating an average of 16-billion kWh of energy per year, this is still only a fraction of what it could be producing.
By Peter Hildebrandt

Buy Green, Be Green, Sell Green
Office Depot cuts energy use to reduce carbon footprint.
By Lyn Corum

Making History on the Slopes
History came to the Massachusetts town of Hancock last August. And, as it so often happens, dollars and cents provided the impetus.
By Dan Rafter

Landfill Gas: A Growing Fuel Source for Future Distributed Energy Applications and the Grid
Landfill methane is an especially nasty greenhouse gas, but, fortunately, it’s also one that’s renewable and usable for the creation of green energy.
By Peter Hildebrandt