ARPA-E is funding several projects that use liquid battery electrodes to cut costs and increase energy density.
A new study says methane leaks make natural gas trucks worse than diesel powered ones.
Sochi organizers say they’re offsetting Olympics-related carbon emissions, but they’re not accounting for everything.
Electrodialysis has the potential to desalinate seawater quickly and cheaply but does not remove other contaminants such as dirt and bacteria. Now chemical engineers have worked out how to do that too.
Large cities are more productive than small ones so it shouldn't come as a surprise that they produce more CO2 as well, say physicists.
Electric vehicles can be so quiet that they pose a new risk on the road. But what kind of artificial sound should be added?
The sell-off of synthetic biology pioneer LS9 goes to show that making biofuels from genetically engineered microbes has yet to deliver economically.
GE's nuclear waste-burning PRISM reactors get a new chance at commercialization.
Reducing water consumption at solar thermal plants raises costs and decreases power production.
A proposed pipeline from Canada won't increase greenhouse gas emssions.