After all, if asked, most people would say that they favor the cleaner production of electricity.

FORBES: Wind Energy Generating A Lot of Mud

This time we look at oil and gas, solar, wind, biofuel and nuclear companies, plus five companies set to capitalize in other ways on the shift to cleaner energy production.

FORBES: Magazine Article

However, Chinese refineries won't produce cleaner fuel until the higher production costs are addressed by the Finance Ministry, he said, adding that enforcement of existing standards is already poor.

WSJ: China's Pollution Fight Faces Resistance

But it is helping to replace coal, the dirtiest form of energy production, with much cleaner natural gas.

CNN: America, the Saudi Arabia of tomorrow

Rather we need to invest in cleaner oil and gas exploration and production technologies in the short term, and the commercialization of alternative energy technologies for the longer term.

FORBES: Looking Beyond The Oil Spill

The solution that Apple stores recommend is iKlear, a non-toxic liquid cleaner, which its manufacturer Meridrew Enterprises says Apple uses on its own production lines.

WSJ: Greasy Smudges Frustrate iPad Owners

"We make a major step toward reducing our dependence on oil, confronting global climate change, expanding production of renewable fuels and giving future generations a nation that is stronger, cleaner and more secure, " Bush said.

NPR: Energy Law Leaves Out Wind, Solar Tax Credits

Natural gas is a cleaner fuel than coal and crude oil and is becoming increasingly important with governments across the world encouraging the production and use of natural gas over coal and crude oil for energy generation.

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