The total world energy consumption is permanently growing during last 30 years. Alternative energy sources are one of the best ways to save the environment polluted by the combustion products of gasoline, diesel fuel, and even methane or propane. The main idea of the article is to analyse the possibility and it influence of integration of the electric vehicles on battery and fuel-cells base in the transport sector of the Slovak Republic. This paper highlighted the main challenges associated with usage of battery-based and fuel-available technologies in a transport sector of Slovak Republic.