Stephen J Bronner for Entrepreneur:  Kevin Czinger says he wants to completely change how cars are built, but his motivation isn’t money or fame. It's to help humanity avoid the "suicidal direction that people are heading," he declares.

By shaking up how cars are made, Czinger believes, the world will be saved from an impending climate disaster. And that’s where 3D printing comes in. Yes, that’s right: Some day, most cars will be manufactured using 3D printing technology, if Czinger gets his way.

But first, an aside, because you’re probably thinking, Well, how about ‘saving the world’ with something we’ve already got: electric cars?

The correct response there is, Not so fast. Yes, drivers switching wholesale to electric vehicles would certainly make a sizable dent in the CO2 damage that tailpipe exhaust creates. Yet those cars are just a Band-Aid solution, since the electricity they require comes largely from nonrenewable sources. So picture a Band-Aid trying to cover a gaping environmental wound.  Full Article: