White did enough to clean up Ultimate Fighting that Sen.

NPR: Mixed Martial Arts: Sport or Spectacle?

Analysts are convinced that energy storage is the ultimate key to providing clean and cheap energy, but even these giants are finding difficulty in grappling with the problem.

FORBES: Power Opportunity for GE, et al: How To Store Wind/Solar Renewable Energy

As a nation, we should be investing in the clean, renewable sources of energy that are the ultimate solution to high-gas prices.

WHITEHOUSE: Weekly Address: Expanding Responsible Oil Production in America | The White House

As two nations that are committed to greener economies, we know that the ultimate solution to our energy challenges lies in clean and renewable power.

WHITEHOUSE: President Obama Speaks to the People of Brazil