From statesman.com, June 4, 2008...
State road projects may soon warm up to the green movement if a new method to produce asphalt with fewer greenhouse gas emissions proves successful.
The Texas Department of Transportation is using "warm" asphalt for a three-mile-long paving project on Texas 71 near Austin-Bergstrom International Airport this week.
Warm asphalt is mixed at 240 degrees, compared with 330 degrees for traditionally used hot asphalt. The lower temperature reduces the amount of chemicals released into the air.
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Monday, June 9, 2008
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