At 22 km/h, this will never be successful commercial aviation, but it is an interesting story.
As a prime example of how AP metric policy can ruin a good metric story, I offer two links, essentially the same story, but by AFP and AP. AFP first http://news.yahoo.com/s/afp/20100707/tc_afp/switzerlandtechnologyaerospaceenergyenvironment_20100707155844;_ylt=Av6zMF4GAdAyP7bsm6P.FxGs0NUE;_ylu=X3oDMTFoYmpvZjliBHBvcwMxNARzZWMDYWNjb3JkaW9uX3RvcF9zdG9yaWVzBHNsawNzb2xhcnBsYW5lY3I- AP http://news.yahoo.com/s/ap/20100707/ap_on_hi_te/eu_switzerland_solar_adventure;_ylt=AvII28s6IVw7AER_B.MtOfOs0NUE;_ylu=X3oDMTFiMDhwaXVwBHBvcwM0MgRzZWMDYWNjb3JkaW9uX3dvcmxkBHNsawNzd2lzc3NvbGFycGw-
