DoKaSch Temperature Solutions has achieved technical approval for its Opticooler RKN active containers with American Airlines Cargo, in addition to the Opticooler RAP container which is already well established with the carrier. DoKaSch managing director, Andreas Seitz, said: “The US is one of the biggest and most important export market for pharmaceuticals. Approval by American Airlines Cargo is therefore an important step for our growth strategy in the region.”