having last won in 2023. Other sports Other distinctive features of the national sporting culture include the Highland games, curling and shinty. In boxing, Scotland has had 13 world champions, including Ken Buchanan, Benny Lynch and Jim Watt. Scotland has also been successful in motorsport, particularly in Formula One. Notable drivers include; David Coulthard, Jim Clark, Paul Di Resta, and Jackie Stewart. In IndyCar, Dario Franchitti has won 4 consecutive IndyCar world championships. Scotland has competed at every Commonwealth Games since 1930 and has won 356 medals in total—91 Gold, 104 Silver and 161 Bronze. Edinburgh played host to the Commonwealth Games in 1970 and 1986, and most recently Glasgow in 2014. Infrastructure Energy Scotland's primary sources for energy are provided through renewable energy (61.8%), nuclear (25.7%) and fossil fuel generation (10.9%). In Scotland, 98.6% of all electricity used was from renewable sources. This is minus net exports. Between October 2021 and September 2022 63.1% of all electricity generated in Scotland was from renewable sources, 83.6% was classed as low carbon and 14.5% was from fossil fuels. The Scottish Government has a target to have the equivalent of 50% of the energy for Scotland's heat, transport and electricity consumption to be supplied from renewable sources by 2030. Transport Air Scotland has five international airports operating scheduled services to Europe, North America and Asia, as well as domestic services to England, Northern Ireland and Wales. Aberdeen Airport Edinburgh Airport Glasgow Airport Glasgow Prestwick Airport Inverness Airport Highlands and Islands Airports operates eleven airports across the Highlands, Orkney, Shetland and the Western Isles, which are primarily used for short distance, public service operations, although Inverness Airport has a number of scheduled flights to destinations across the UK and mainland Europe. Edinburgh Airport is currently Scotland's busiest airport handling over 13 million passengers in 2017. It is also the UK's 6th busiest airport. British Airways, EasyJet, Jet2, and Ryanair operate the majority of flights between Scotland and other major UK and European airports. Four airlines are based in Scotland: Directflight Hebridean Air Services Loch Lomond Seaplanes Loganair Rail Network Rail owns and operates the fixed infrastructure assets of the railway system in Scotland, while the Scottish Government retains overall responsibility for rail strategy and funding in Scotland. Scotland's rail network has 359 railway stations and around of track. In 2018–19 there were 102million passenger journeys on Scottish railways. The East and West Coast