Starting March 11, 2007, DST was extended another four to five weeks, from the second Sunday of March to the first Sunday of November. The change was introduced by Representatives Fred Upton (R-MI) and Edward Markey (D-MA) and added to the Energy Policy Act of 2005; the House had originally approved a motion that would have extended DST even farther from the first Sunday in March to the last Sunday in November, but Senators Jeff Bingaman (D-NM) and Pete Domenici (R-NM) agreed to scale back the proposal in conference committee due to complaints from farmers and the airline industry. Proponents claimed that the extension would save "the equivalent of" of oil per day, but this figure was based on U.S. Department of Energy information from the 1970s, the accuracy and relevance of which the DoE no longer stands by. Later studies by the U.S. Department of Energy and the California Energy Commission have predicted much smaller energy benefits. There is very little recent research on what the actual positive effects, if any, might be.