The head of DuPont Co. says the chemicals producer expects sales to solar energy customers will more than triple within the next five years.
Chief Executive Charles O. Holliday Jr., speaking at the Sanford Bernstein Strategic Decisions Conference, said DuPont expects increased demand for renewable energy sources like photovoltaics — or solar — and ethanol made [...]

Royal Dutch Shell PLC and privately held Virent Energy Systems, Inc. of Madison, Wis., will work together to convert plant sugars directly into gasoline and gasoline blend components, rather than ethanol.
The aim is to create new biofuels that can be used at high blend rates in standard gasoline engines. They could also eliminate the need [...]

Alaska Inupiat are opposed to offshore oil drilling, preferring that developers turn their attention to the Arctic National Wildlife Refuge.
The Inupiat in the northern coastal community of Barrow are worried offshore development could threaten their traditional hunt for bowhead whales, seals and walrus, says Eugene Brower, president of the Barrow Whaling Captains’ Association.
He’s concerned the [...]