He absorbed knowledge from a broad range of fields with the efficiency of a power shovel scooping earth.

NEWYORKER: Town of Cats

In the coming year, the Administration will be working with Congress to develop a more comprehensive national strategy for Earth observations, designed to improve coordination and efficiency across the Federal government.

WHITEHOUSE: Office of Science and Technology Policy Blog

He said the money would have been better spent on Warm Front grants to improve energy efficiency of homes, a view shared by Friends of the Earth.

BBC: gas ring

Kenneth Richter, Friends of the Earth biofuels campaigner, "welcomes" moves by the aviation industry to improve the fuel efficiency of its planes.

CNN: Flight of biofuel fancy?