Scientific paper ID 1253 : 2015/3

In our country, according to the Ministry of Natural Resources 42% of the pollution of the environment due to road transport and in - the big cities (Sofia, Plovdiv, Varna to 80-90%). During 2012 the globe have registered 800 million vehicles in 2013 and is expected to increase them twice, ie 1.6 billion, which is why the problem of pollution has become a global every year.