cities in Turkey. For local trips to villages there are dolmuşes, small vans that seat about twenty passengers. As of 2010, number of road vehicles is around 15 million. The number of vehicles by type and use is as follows. Car 7,544,871 Minibus 386,973 Bus 208,510 Small truck 2,399,038 Truck 726,359 Motorcycle 2,389,488 Special Purpose vehicle 35,492 Tractor 1,404,872 Total: 15,095,603 Cycling Escooters Escooter rental is available in some cities, and escooters can be used on cycle paths, and on urban roads without cycle paths where the speed limit is below 50 kph. Car ownership over half the registered motor vehicles are cars - about 12.5 million - of which 4.7 million are diesel fueled, 4.7 million LPG, and 3 million gasoline. Air transport In 2013 Turkey had the tenth largest passenger air market in the world with 74,353,297 passengers. In 2013 there were 98 airports in Turkey, including 22 international airports. , Istanbul Atatürk Airport is the 11th busiest airport in the world, serving 31,833,324 passengers between January and July 2014, according to Airports Council International. The new (third) international airport of Istanbul is planned to be the largest airport in the world, with a capacity to serve 150 million passengers per annum. Turkish Airlines, flag carrier of Turkey since 1933, was selected by Skytrax as Europe's best airline for five consecutive years in 2011, 2012, 2013, 2014 and 2015. With 435 destinations (51 domestic and 384 international) in 126 countries worldwide, Turkish Airlines is the largest carrier in the world by number of countries served . Airlines Airports Total number of Airports in Turkey: 117 (2007) Airports – with paved runways total: 88 over 3,047 m: 16 2,438 to 3,047 m: 1,524 to 2,437 m: 19 914 to 1,523 m: 16 under 914 m: 4 (2010) (Link:) Airports – with unpaved runways total: 11 1,524 to 2,437 m: 1 914 to 1,523 m: 6 under 914 m: 4 (2010) (Link:) Heliports 20 (2010) Water transport About 1,200 km Port cities Black Sea Hopa Inebolu Samsun Trabzon Zonguldak Aegean Sea İzmir Mediterranean Sea İskenderun Mersin Antalya Sea of Marmara Gemlik Bandırma Istanbul İzmit Derince Air pollution Road traffic is a major source of air pollution in Turkey, and Istanbul is one of the few European cities without a low emission zone. Transport emitted 85 megatonnes of CO2 in 2018, about one tonne per person and 16 percent of Turkey's