query: When was the law of conservation of energy introduced?
passage: Conservation of energy
In 1850, William Rankine first used the phrase the law of the conservation of energy for the principle.[16]
passage: Energy Savings and Industrial Competitiveness Act of 2013
The Energy Savings and Industrial Competitiveness Act of 2013 () is a bill that was introduced into the United States Senate during the 113th United States Congress. The overall purpose of the bill was to reduce energy waste by increasing energy efficiency in the United States. Among its many provisions, the bill includes measures to improve building codes, assist manufactures in becoming more energy efficient, and increase conservation efforts at federal agencies.