Bloomberg Buckle up. The Friday before July 4 may approach a record for the busiest day ever for US airports, the head of Transportation Security Administration (TSA) said. Traffic for the day could top 2.6 million passengers, making it “potentially one of the busiest in TSA history,” TSA administrator David Pekoske said. TSA says nine of the top 15 days …

Bloomberg London Heathrow’s controversial third runway fits within Britain’s plan for reining in fossil-fuel emissions, according to the government’s Committee on Climate Change. “Another runway at Heathrow could be accommodated within those parameters,” said John Gummer, chairman of the committee. Modern technology “ought to give elbow room for about a 60 percent growth in demand,” he said at a briefing …

Bloomberg Apple Inc. will soon land a second supplier for the organic light-emitting diode screens used in high-end iPhones, according to people familiar with the matter, a key step in the US company’s push to reduce iPhone costs and its dependence on Samsung Electronics Co. South Korea’s LG Display Co. will initially supply between 2 million and 4 million units, …