Intruders seek data on oil deposits, cutting-edge technology.
The Fukushima disaster led Japan to shut down nuclear power plants, but three years of rising costs and carbon dioxide emissions are forcing it to reverse course.
A startup says it has a more efficient process to use carbon dioxide for making valuable chemical feedstocks.
New solar thermal technologies could address solar power’s intermittency problem.
A startup, Halotechnics, is building a pilot electricity storage system that will use molten salt.
ARPA-E faces a tricky mandate—invest in risky technologies that no one else wants to fund, while still showing results.
Software is taking over cars. But it may be a while before it can be updated without a trip to the dealer.
ARPA-E is funding several projects that use liquid battery electrodes to cut costs and increase energy density.
The company has managed the nearly impossible for a solar startup over the last few years: it is still in business.
The electric car company’s CTO explains what’s going on under the hood.