Defense Environment Alert -- Major energy legislation approved by the Senate contains several key provisions that would affect the Defense Department, including a requirement that all new federal buildings ratchet down their reliance on fossil fuels and that the federal government consider expanding the use of energy savings performance contracts (ESPCs) -- a popular contracting mechanism already used by DOD to make its facilities more energy efficient. The Senate on June 21 approved energy legislation, by a vote of 65-27,...