By Nikos Chrysoloras From Bloomberg News The European Union lifted travel restrictions for U.S. residents, in the latest step toward restoring lucrative transatlantic airline routes despite concerns over the spread of potentially dangerous coronavirus variants. Albania, Hong Kong, Lebanon, Macau, North Macedonia, Serbia, and Taiwan were also added to a so-called “white list” of countries from which nonessential travel is allowed. The new rules will take effect within days, as soon as they are published in the Official Journal of the EU. Some EU countries already allow vaccinated Americans to visit. Inclusion in the white list means restrictions on fully inoculated U.S. residents will now be lifted across the bloc. Member states also have leeway to grant entry to unvaccinated visitors from white-listed places without requiring a quarantine. The move will provide a boost for major American carriers like United Airlines Holdings Inc. and Delta Air Lines Inc. that fly …