Aviation regulators around the world have introduced waivers for airport slot allocation systems, allowing airlines to cancel unnecessary flights without risking their precious slot real estate. How have these relief measures been rolled out around the world, and for how long might they be needed..

Renfe selected the Talgo 250 Dual model trains, which have low-floors with step-free entry that will facilitate patient movement. As part of the initiative, Talgo has provided the Spanish Government with human and material resources as a voluntary contribution....