Uber Elevate, headed toward its third annual meeting in Washington, D. C., has established guidelines for what it wants to see flying in its service. Lilium, a German electric Vertical Takeoff and Landing maker, has flown a vehicle that seems to meet those guidelines. The web site, A New Domain.net, notes, “The authors of the Uber paper point out that the high-profile German concept, the Lilium, is a ‘push to extremely high levels of distribution while coupling the vertical lift in closely with the wing high-lift system.’ The concern here, however, is that such jet-lift approaches “will require substantially higher power for takeoff and landing, with greater challenges operating quietly within cities,” according to the Uber paper.” “From the looks of it, Lilium still looks awfully cool. Due in 2018, Lilium is an egg-shaped plane and oft noted as a key development by European Space Agency (ESA) reps. Capable of a top speed of 250mph and a range of 300 miles, it …