The Olympic committee's $1.8 billion budget includes medals made from recycled circuit boards and a sustainable skating ring.
Ambitious Chinese electric car maker BYD could be a surprise entrant in the U.S. market as soon as the end of this year.
Are pure, plug-in electric cars the way of the future? Automakers at the Detroit auto show have different opinions.
CEO Elon Musk is confident Americans will buy electric vehicles and thinks Tesla is setting an example.
A new approach has drivers paying based on how far they drive each month.
We took Chevrolet's pre-production Volt for a spin and found a peppy, very quiet, and driveable car.
When the ball drops at the stroke of midnight, less energy will be used thanks to LED bulbs.
In places like the Mojave Desert, some fight to preserve the landscape and prevent the installation of solar panels.
CEO Fred Smith says the cost of taxing emissions will get passed on to customers, and that a lower corporate tax rate will create jobs.
It?s projected to cost $18,000 more to manufacture a plug-in hybrid than a regular car next year, according to one study.
Don Quixote tilted at windmills long ago, but nowadays Spain sees modern windmills as economic and energy salvation.
The president is pushing for a tax incentive on home insulation upgrades, saying 'insulation is sexy stuff.'
Lobbyists from a wide range of industries are trying to influence the outcomes of the environmental conference.
The president must show the U.S. is ready to enact environmental legislation if other countries are to follow suit.
Climate talks begin in Copenhagen with the purpose of hashing out new global emission protocols.
The truck maker is building a next-generation hybrid garbage truck to scour cities for rubbish.
Converting plastic bottles into raw building materials could take a lot of waste out of landfills.
Only 4% of automobiles may meet 2010 fuel efficiency standards; it will take 2-5 more years for real improvement.
If current solutions do not work, scientists have come up with more extreme ways to combat global warming.
Oil-derived materials are found in many personal care products such as lotion, lipstick and sunblock.
The EPA is drafting its own climate bill for the administration - one it has the authority to enact without Congress.
As the dollar weakens, some predict the precious metal could reach $1,500 on strong international demand.
Senator Kirsten Gillibrand, D-N.Y., says we need to regulate carbon emissions, but cautions against too much.
A former Lehman employee reinvented his career - helping others to get their green energy certificate.
NYMEX traders do not see the need for regulatory reform of the oil market.
Wind Capital Group handles every step of the process - from negotiating for land to contracting the turbines to building the windmills.
As oil hovers near $80 a barrel, many consumers do not understand what caused the recent rise in the price of crude.
Both the weather and the political environment in the U.S. are aligned for Danish wind turbine manufacturer Vestas.
Secretary of the Interior Ken Salazar, details the Obama administration's alternative energy policies.
The CEO of the world's largest wind turbine manufacturer is investing heavily in the U.S. - the 'Saudi Arabia of wind.'
The Obama administration is investing $3.4 billion in the nation's power grid.
Envion turns plastic products back into oil, which can be used in cars, trucks, and jets.
A report by the Department of Energy inspector general says more independent testing is needed to prevent mislabeling.
The Obama administration wants to make energy-efficient upgrades to homes easier to finance and cheaper.
Trading oil in another currency or basket of currencies would be a complex logistical nightmare.
Oil is on a roll and the rally is expected to continue, pushing prices beyond $85.
Apple, Nike and PG&E have bailed out of the Chamber of Commerce to protest its global warming denials.
The Energy Department reports this winter heating bills will be down about $960 a household.
Turning the carbon-eating organism into crude could conserve oil and lower carbon emissions.
The energy company says lower customer demand means better profits.
ECOtality's CEO discusses building a nationwide charging-station network for e-cars.
The utility's CEO explains leaving the U.S. Chamber of Commerce over its extreme position on climate change.
Big polluters like large commercial animal farms will be required to publicly report their emissions.
'Consumer Reports' reviews hundreds of compact fluorescent bulbs for lifetime and safety claims accuracy.
The luxury carmaker believes there is a market for a luxury green car in the U.S.
The Oracle of Omaha may increase his stake in BYD, the Chinese hybrid car maker.
The oil giant says its new, deep-drilled well could hold more than 3 billion barrels of oil.
Battery-powered race cars are hitting the speedway and putting muscle cars to the test - silently.
GM announces that its Chevy electric car set to go on sale late 2010 will get an expected 230 mpg.
The government gives Michigan carmakers grants to develop high-performance batteries.