Energy hungry world who is using what

PASSIVE FORMS
1. The disparity in energy use between different countries is linked to their level of economic development.
2. In the United States much more energy is being consumed by each person.
3. American energy consumption could be reduced if greater priority was given to energy efficiency.
4. I’m confident that efforts will be made in this direction, particularly by industry.
5. People in developing countries have been restricted by the cost up to now.
6. The main area which needs to be addressed is heating and cooling.
7. The solution is relatively cheap and simple. It just means homes being insulated properly.