Yahoo! is looking to expand their data center in Quincy. Only problem is they want to add another 25 diesel backup generators and environmental regulators are worried about the medical risks involved with more emissions. Diesel exhaust has particles that can be harmful to people if they're exposed to too much for too long. The new project will include:

Getty Images. Sean Gallup
Getty Images. Sean Gallup,
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  • Direct evaporative cooling units
  • Air cleaning systems
  • Boiler heating
  • 196,969 square-foot building
  • 25 new diesel-powered engines

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