The cost of energy has often been defined by the cost of fuel and infrastructure. In recent years, however, the cost of energy and electrification has been reevaluated in terms of its environmental, social, and economic costs. European nations, to include the United Kingdom and Denmark, have...

Improving energy efficiency is often considered to be one of the keys to reducing greenhouse gas emissions. However, efficiency gains also reduce the cost of energy services and may even reduce the price of energy, resulting in energy use rebounding and potential energy use savings being eaten...