It should ultimately be capable of making ultralight cars at automotive scale and cost, halving steel cars' weight and fuel use, improving safety, costing no more per car and saving oil equivalent to finding a Saudi Arabia under Detroit.

CNN: Freeing America from its addiction to oil

It would have also resulted in economic chaos, devastating communities across the country and costing governments tens of billions of dollars in additional social safety net benefits and lost revenue.

WHITEHOUSE: President Obama on GM IPO