An emerging additive manufacturing technology could be fast and cheap enough to compete with conventional methods, but it faces materials-related challenges.
The Supreme Court’s ruling on mercury and other toxins could help the effort to limit greenhouse gas emissions.
As market forces chip away at the coal industry, many plants are being repurposed as data centers, museums, and mixed-use neighborhoods.
New microbes and new techniques show promise for advanced biofuels, but the industry is still years away from real progress.
My virtual helper can be surprisingly lifelike, but she’s obsessed with meetings.
Researchers have shown that rigid lithium-ion batteries can be made more suitable for smart watches and other flexible electronics.
Backing from disparate investors such as General Motors and a vacuum maker has given the battery startup Sakti3 an unusual amount of momentum.
America’s communications infrastructure is finally getting some crucial upgrades because one company is forcing competition when regulators won’t.
Rapid industrialization and rising standards of living have made China the world's top emitter of carbon dioxide. Preventing a runaway increase will require the country to keep per capita emissions at a relatively low level.