Boston-bred company making flying cars a thing of the present

Forty-year-old Carl Dietrich brown bags his lunch or grabs something on the fly at a local Bickford's between meetings with engineers, investors and FAA regulators. There's a lot of tweaking to do before the flying cars he and his friends invented go into full-scale production at Terrafugia headquarters in Woburn. As a little guy growing up in Sausalito, California, Dietrich fashioned space ships from building blocks and made impressive tree fort hangers in his back yard. As he grew, he shared

Forty-year-old Carl Dietrich brown bags his lunch or grabs something on the fly at a local Bickford's between meetings with engineers, investors and FAA regulators. There's a lot of tweaking to do before the flying cars he and his friends invented go into full-scale production at Terrafugia headquarters in Woburn. As a little guy growing up in Sausalito, California, Dietrich fashioned space ships from building blocks and made impressive tree fort hangers in his back yard. As he grew, he shared…