To help people walk more, for example, cities can focus on pedestrianisation projects, car-free walkways, river walks, canal towpaths, widening and greening pavements, improving security, cycle lanes, speed limits and above all, air quality – our ancient lungs cannot cope with diesel particulates.
In other ways, it's a typically experimental project car – 80% of whose interior is formed from 3D-printed components.
Mr. Fayer said the University of Washington team envisioned its project car as a "through-the-road, parallel plug-in hybrid electric vehicle".
As a young man, he never drove the same car for very long and was always looking for another project car that he could repair or fix-up into something better.
The i3 began life as the Megacity electric project car, but the concept evolved into a purely electric runabout that would be configurable, when it went on sale in 2013, with a gasoline-burning, 3-cylinder range extender.
McGovern's new project car, the Lincoln MK 9, is a likely hit.
Sports cars can carry a whiff of overindulgence, but not for Branden Pronk and his 1969 Porsche 911 project car.
Speaking of Lutz, he talked quite enthusiastically about his pet project car, the Pontiac Solstice, shown here in both soft-top and coupe form.
And by signing up German coachbuilder Karmann to craft the sheet metal, suddenly the project car had a chance to be a production model.
But with above-average mechanical skills and a decently equipped work space, you can pick up a bungled project car cheap and turn it into a true warrior.
