

However, this is not a second nature to many of us. The simplest technique to save power and consequently the costs is when we switch off the lights and other appliances as soon as we leave the room. A home energy management (HEM) system has the potential to enable demand response (DR) implementation for residential customers. As a result energy service demand growth rates will keep on increasing because of accelerated industrialization, urbanization, and an emerging consumer society. To deliver a sustained economic growth rate and to meet life time energy needs of all citizens, Nigeria needs to increase its primary energy supply by about 5 times and electricity generation capacity about 6 times. Smart homes hold the potential for increasing energy efficiency, decreasing costs of energy use, decreasing the carbon footprint by including renewable resources, and transforming the role of the occupant. The high energy required by home appliances (like white goods, audio/video devices and communication equipments) and air conditioning systems (heating and cooling), makes our homes one of the most critical areas for the impact of energy consumption on natural environment. Also, less probability for mass production of fuel cell vehicles makes the HEVs a viable near term option to reduce the green house dependency on foreign oil resources gases and also decrease the dependency of foreign oil resource. Using batteries as a source of electric energy along with an internal combustion engine (ICE) supplying the average power required by the vehicle is an efficient way of using the vehicle. Using electric energy for transportation purposes will help reduce not only the greenhouse gases but also the dependency on conventional fuels. The worldwide increase in demand for fossil fuels for applications like transportation and the pressing need to reduce the greenhouse gas emissions has fostered the meteoric development in electric and hybrid vehicle (HEV) technology. The increasing demand for the depleting non-renewable energy sources led to the increasing need for research and development for harnessing renewable energy sources efficiently. This paper gives a general overview of Comparisons of batteries in automotive.
