Airlines say they must go carbon-neutral to satisfy consumers and avoid harsh regulations. Biofuels can get the industry partway there, but it will also require technological breakthroughs.
COVID-19 infections created more staffing shortages for a number of U.S. airlines, forcing them to cancel more than 140 flights at both Chicago airports Monday.
Airlines struggled to recover Monday from pockets of wintry weather and an omicron-driven surge in caseloads that triggered staffing shortages and another 1,200 flight cancellations.
The latest COVID-19 variant is upending holiday plans for tens of thousands of travelers but it didn’t do much damage to holiday shopping. Airlines canceled hundreds more flights Sunday, citing staffing problems tied to COVID-19, as the nation’s travel woes extended beyond Christmas, with no clear indication when normal schedules would resume. But shoppers…