Newly discovered methane hydrate reserves deep in the ocean show promise for mining.
A bill before Congress may prove a costly way to reduce greenhouse gases.
A startup is making thin-film solar cells on flexible steel sheets.
A startup uses strains of E. coli bacteria to convert sugar into valuable chemicals for textiles and other products.
Waste Management, a large waste company, gives technology for gasifying trash a boost.
Advances could at last make the high-energy batteries practical.
Startup Enphase Energy is shrinking DC-to-AC inverters to extract more juice from solar panels.
OLEDs could soon give fluorescent lighting a run for its money.
A New Jersey plant is planning to put ocean-floor carbon sequestration to the test.
QD Vision is using its quantum dots in LED lighting to produce more pleasing white light.