Energy products include crude oil, refined petroleum, natural gas etc. These, including atomic energy are examples of non renewable energy resources and cannot be replenished within a short span of time. These resources cause environmental pollution and contribute to global warming. But they are extremely essential for our daily life, businesses and other activities. They are used in the form of fuels and also for other purposes like cooking and heating. Renewable energy includes solar energy, hydropower, wind etc. Utility services comprise the production, storage and transmission of electricity, gas and water. Energy and utility services are needed for most of the activities of people and hence the expense on utilities is rising very rapidly.