A Technology Review Special Report focusing on innovations in alternative energy sources and the technologies driving them.
A collection of weird and wonderful devices designed to harvest energy from the ocean.
Behind the scenes at Suntech Power, the world’s largest solar manufacturer.
Christina Lampe-Onnerud, founder of the battery startup, discusses the advantages of moving the company's manufacturing and research to China.
Researchers at Stanford make an electrode that can be recharged 40,000 times without losing much capacity.
New technology could tip the balance back in favor of some solar-panel manufacturers outside China.
The advanced fuel cell could eliminate range anxiety and make electric cars more practical, while keeping carbon-dioxide emissions low.
Tata created the world's least expensive automobile. The only problem now is selling it.
Cars that park themselves and automatically convoy with other cars could reduce congestion and emissions.
It seems few consumers want range-extending gas engines in their electric vehicles.
A gallery of electric and hybrid vehicles on display at the International Motor Show in Frankfurt, Germany.
Proton OnSite's lack of progress toward its proposed "hydrogen highway" demonstrates the low priority America gives this alternative fuel.
Increasing mileage standards to 54.5 mpg won't require major new technologies, say experts.
New report suggests an error in estimates of greenhouse gas emissions.
Engineered E. coli convert sugar to butanol 10 times faster than other microbes.
A method for getting oil out of tarry sands could reduce the costs and lower the greenhouse-gas emissions associated with its extraction.
The end of an ambitious carbon-capture project shows that it's hard to economically justify the technology in the absence of a carbon policy.
A stretchy binder material that's compatible with existing factories could help electric cars and portable electronics go 30 percent longer.
A Pittsburgh company says its battery has the long life and cheap cost needed to be practical for energy storage.
Startup BrightSource announces a new system that could allow future solar plants to run at night.
Boston Power's move reflects China's willingness to provide incentives for companies in strategic industries.