The memorandum provides a rare glimpse of the administration's internal debates over energy subsidies and Recovery Act spending.

WSJ: U.S. Weighs Funding for Renewable Energy Projects

Oil is found in relatively few places, and its energy density, pumpability and ease of use in internal-combustion engines makes it particularly well suited as a transportation fuel.

ECONOMIST: Unconventional gas

Supercapacitors have a big internal surface-area that allows a large amount of energy to be delivered rapidly and are used in some electric cars to provide a short burst of power for rapid acceleration and in hybrids to recover energy during braking.

ECONOMIST: Carbon-composite batteries

Dr. Vladimir Kliatzkin, a scientist with more than 40 years of experience in energy production and accumulation systems for aviation, internal combustion engines and hybrid systems, originally developed the innovative wind-power technology and is currently commercializing various applications incorporating the technology through WinFlex.

FORBES: Inflatable Wind Turbines Pass Laugh Test

Benedict is a teaching pope, a man who prefers the life of the mind to the nuts and bolts of government, yet an enormous share of his time and energy has been consumed trying to put out internal fires.

CNN: 'Gay lobby' behind pope's resignation? Not likely

The SPR is stored in a series of massive underground salt domes on the U.S. Gulf Coast, immediately adjacent to several internal energy transport hubs.

FORBES: Obama Taps Strategic Petroleum Reserve Without Good Reason

Republican lawmakers have held hearings on the issue, and six GOP members of the House Energy and Commerce committee wrote last week to more than a dozen insurers asking them to turn over internal analyses on the law's impact on premiums and costs.

WSJ: Health Insurers Warn on Premiums