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National and international energy policies have very important
role in regional and global power equilibrium and its importance is
increasing. In this respect, diversification of energy resources and
their transportations routes, efficient use of local resources and the
use of existing energy resources with various technological and
strategic practices in the most efficient way possible are necessary in
order to improve energy security and reduce dependence on foreign energy
sources. Energy efficiency and renewable energy sources stand out as an
important issues especially regarding energy supply security, reducing
foreign energy dependency, economic development, maintaining the balance
between environment and sustainability as well as making important gains
in all these issues. Thus, Improving energy efficiency saves money,
reduces carbon emissions and decreases country's dependence on foreign
energy supplies. Energy security—the uninterrupted availability of
energy sources at an affordable price—can also profit from improved
energy efficiency by decreasing the reliance on imported fossil fuels.
Possible improvements in energy efficiency are examined in six main
categories: (1) buildings, (2) industry, (3) transportation, (4)
electricity generation and distribution, (5) appliances and equipment,
and (6) lighting

In this paper the Turkish export-led growth hypothesis is examined from the trade liberalisation process initiated in 1980. The paper has employed Toda and Yamamoto (1995) procedure for testing for Granger non-causality in the augmented vector autoregressive (VAR) methodology to analyze the dynamic relationship between export growth and economic growth in Turkey using quarterly data from 1989 to 2006. The empirical results support the export-led growth hypothesis for Turkey and that Granger causal flow is unidirectional from real exports to real GDP.