By Joe Brock, Tim Hepher, Giulia Segreti and Paul Sandle PARIS (Reuters) - Airbus struck a deal with budget airline VietJet for up to 150 single-aisle jets at the Paris Airshow on Tuesday, where industry hopes for a return to tariff-free trade were given a boost by U.

At the Paris Airshow, Airbus secured a deal with VietJet for up to 150 jets, while U.S. Transport Secretary Sean Duffy hinted at a return to zero-tariff trade in civil aviation. Meanwhile, U.S. tariffs on aerospace imports continue to challenge the industry,

PARIS: Airbus has signed a memorandum of understanding with VietJet for 100 of its A321neo planes, with a potential to add 50 more to the deal, industry sources said at the Paris Airshow on Tuesday (J