Abstract
The automobile became a inseparable part of modern living style of the society. Using by cars is closely connected to the negative impacts. The important one is an engine emissions production, which influence whole globe. The emission limits reduction is supported by stiffen up of legislative intents or by using alternative forms of driveline. There is indispensable to consider the theme not only local but as well global point of view to be able take a proper decision.
Keywords: transport, emissions, hybrid engine, fuel consumption, CO2 decrease