**5. Conclusion**

This book indicates the policy of energy in the world. Energy wars continue to occur due to the energy policies of the countries in the world. Energy policies in recent years have a direct impact on the development of countries. Countries are taking steps towards existence by producing short, medium and long term energy strategies. It is also explained in the concluding section on how energy in the general context might be in the future.

There are many factors in the decisions and measures taken regarding energy policies. It is clear that it will play a key role in global warming, as well as the factors that will affect countries' investment costs, geopolitical locations, emissions, and other energy policies.

In **Figure 7**, the energy efficiency now and future energy scenario in the world are emphasized [14]. There has been a decline in the energy consumption curve starting from 2010. According to the forecasts of 2050, energy density ratio is expected to increase while per capita energy consumption decreases. By 2050,

**11**

*Introductory Chapter: Trends and General Information on Energy Policies in the World*

energy density and energy consumption are expected to become stable. The

As a result, the energy policies of the countries in the world are causing many problems today. In addition to many global stresses and tensions, the extent of global warming also raises concerns. Energy strategies should be developed by taking into account both energy efficiency and global warming, cross-country crises, population planning, energy investments and systems, legal regulations on energy costs, and many other parameters. Although advances in technologies bring many

 I express my gratitude to Intechopen, who sent an invitation for the Fourth Book Editor and Chapter Author. I would like to thank Intechopen's interest and support, and I sincerely hope that similar studies will continue in the future due to

regression curve shows that the probability is high.

*Energy efficiency now and future energy scenario in the world [14].*

benefits, the future energy crises should be minimized.

**Acknowledgements**

**Nomenclature and units**

Energy consumption Mtoe

GW gigawatt Mtoe million toe

TWh terawatt hours

% energy intensity rate

PEM proton exchange membrane toe tonnes of oil equivalent

GJ/ca total final energy consumption per captia

Intechopen.

**Figure 7.**

*DOI: http://dx.doi.org/10.5772/intechopen.92882*

*Introductory Chapter: Trends and General Information on Energy Policies in the World DOI: http://dx.doi.org/10.5772/intechopen.92882*

**Figure 7.** *Energy efficiency now and future energy scenario in the world [14].*

energy density and energy consumption are expected to become stable. The regression curve shows that the probability is high.

As a result, the energy policies of the countries in the world are causing many problems today. In addition to many global stresses and tensions, the extent of global warming also raises concerns. Energy strategies should be developed by taking into account both energy efficiency and global warming, cross-country crises, population planning, energy investments and systems, legal regulations on energy costs, and many other parameters. Although advances in technologies bring many benefits, the future energy crises should be minimized.
