Sunday, Jun 30th
Last update07:49:10 AM GMT
Energy Glance
California's next source of renewable power could be an orbiting set of solar panels, high above the equator, that would beam electricity back to Earth via a receiving station in Fresno County.
Pacific Gas and Electric Co. has agreed to buy power from a startup company that wants to tap the strong, unfiltered sunlight found in space to solve the growing demand for clean energy.
A $6 cardboard box that uses solar power to cook food, sterilise water and could help 3 billion poor people cut greenhouse gases, has won a $75,000 prize for ideas to fight global warming.
The "Kyoto Box", named after the United Nations' Kyoto Protocol that seeks to cut emissions of greenhouse gases, is aimed at billions of people who use firewood to cook.
Costing 5 euros ($6.60) to make, it can also make it easier to boil polluted water.
US automaker Tesla Motors unveiled its state-of-the-art five-seat sedan here Thursday, billed as the world's first mass-produced, highway-capable electric car.
The futuristic zero-emission vehicle will be powered by lithium-ion battery packs capable of between 160 and 300 miles (257 and 482 kilometers) per charge.
The car has an anticipated base price of 57,400 dollars but will cost less than 50,000 after a federal tax credit of 7,500 dollars, Musk said.
"What we really wanted to show the car industry is that it is possible to create a compelling electric car at a compelling price," Musk said. "We hope the industry will follow our lead."
Millions of dollars in free heating fuel will flow through Alaska villages early next month courtesy of a controversial giveaway program paid for by the Venezuelan government.
The sooner the better, say many villagers and rural nonprofits who appear more concerned about their towering energy bills than international politics.
Some Alaska village families, along with people in other economically depressed areas of the United States, have come to count on the extra fuel from the Venezuelan-owned oil company, Citgo.
As demand for crude has plummeted, the world suddenly finds itself awash in oil that has nowhere to go.
It’s been less than a year since oil prices hit record highs. But now producers and traders are struggling with the new reality: The world wants less oil, not more. And turning off the spigot is about as easy as turning around one of those tankers.
Powered only by natural sunlight, an array of nanotubes is able to convert a mixture of carbon dioxide and water vapour into natural gas at unprecedented rates.
Such devices offer a new way to take carbon dioxide from the atmosphere and convert it into fuel or other chemicals to cut the effect of fossil fuel emissions on global climate, says Craig Grimes, from Pennsylvania State University, whose team came up with the device.
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