monday, january 30 bipartisan, bicameral group of lawmakers introduce energy efficiency legislation senators rob portman (r-oh), cory gardner (r-co), chris coons (d-de), and jeanne shaheen (d-nh) and representatives adam kinzinger (r-il) and peter welch (d-vt) introduced the energy savings through public-private partnerships act , legislation that encourages the use of energy savings performance contracts (espcs) and utility energy savings contracts (uescs) in federal buildings. 