As the holiday travel season approaches, airlines such as Delta Air Lines continue to evolve and change how they help travelers get from one spot to the next. Delta Air Lines, of course, is one of the largest airlines in the world, so they're often one of the first to jump on new technologies. Delta Partners With 'Leading European Innovator'Now, Delta has announced that it's partnering with Maeve Aerospace to "advance the development of Maeve's revolutionary hybrid electric aircraft for regional flights." "Delta is proud to collaborate with Maeve to help shape the next chapter of regional aviation andaccelerate progress toward a more sustainable future of flight," Kristen Bojko, vice president of fleet at Delta Air Lines, said in a statement. Maeve Aerospace is a "a leading European innovator in sustainable and economical aircraft design," according to their website.