Carmakers must also push out more of the cleaner vehicles to meet average fleet emissions standards.
An Obama initiative seeks to channel a torrent of gene information into treatments for cancer, other diseases.
A new design for a molten-salt reactor could make nuclear power safer and more economical.
A treatment based on embryonic stem cells clears a key safety hurdle and might help restore vision.
Capital and engineering talent have been flocking to seemingly trivial mobile apps. But would we really be better off if more startups instead went directly after big problems?
The push to extend fracking to arid regions is drawing attention to water-free techniques.
A wearable display set for release by Microsoft later this year can augment your world with realistic, interactive virtual objects.
As technology-driven payment ideas give cash a run for its money, the big winners could be established banks and credit card companies.
New micro-satellite technology is enabling satellite Internet services that could reach billions of new users.
Is it possible to live for 48 hours on nothing but Bitcoin?