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SPOTLIGHT

1. ENERGY EFFICIENCY

The Army takes aim at the 'Pineapple Pentagon'

FORT SHAFTER, Hawaii -- Every morning, Col. Howard Killian makes his way past the "Pineapple Pentagon," three Army buildings that got their name when they were built in 1944, in just under 50 days, as a command center for the planned invasion of Japan. After 60 years, these and most of the other buildings on Fort Shafter have become leaky, creaky energy gobblers -- and Killian is leading a campaign to trim energy spending by "greening" the Army's old buildings and making new units energy efficient.

2. BIOFUELS

Battle over corn-based ethanol continues

While the biofuels policy debate drones on, two recent studies show that researchers are still sparring over the climate and environmental impacts of ethanol. While a paper published in the journal Proceedings of the National Academy of Sciences yesterday found that corn ethanol can produce more lifecycle emissions than gasoline, another study, published in the Journal of Industrial Ecology, used a different model and data set to reach the conclusion that corn ethanol is not so wasteful.

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