Archive for the ‘Energy’ Category

New Electric Car in the Works

Tuesday, September 2nd, 2008

“A Dutch-based company announced plans Tuesday to produce affordable electric cars by the end of 2009, promising they will be much more powerful than existing models and have zero emissions.

Detroit Electric is in negotiations with Malaysia’s national auto maker, Proton, to produce the car in this Southeast Asian nation and is also talking to a German and a U.S. carmaker, said the company’s chief executive, Albert Lam. He declined to name the companies.

“We believe in affordable electric vehicles for the public. That is our dream … to find innovative ways to counter global warming,” Lam told a news conference before journalists test drove a sports car, a sedan and a subcompact car fitted with Detroit Electric’s technology.

Malaysian Prime Minister Abdullah Ahmad Badawi drove the sedan Sunday when he arrived at a National Day parade — which officials called a testament of the government’s commitment to finding green alternatives to tackle rising fuel prices.

Lam said the car will use lithium ion batteries and a motor developed in-house.”

Dutch-Malaysian Electric Car

Desalinization Innovation

Monday, August 4th, 2008

From the University of New Mexico comes an intriguing idea for desalinization. By placing two 30 foot tall cylinders near each other, one with salt water the other with fresh water, and a connecting pipe at the top, a small amount of heat applied to the salt water side will create enough of a vacuum at the top for vaporization to take place below the boiling point. The fresh condensate moves to the fresh water side replacing that drawn out at the bottom for irrigation, washing etc.

While clever, there are several problems. Keeping the water columns at the necessary height with shut off valves and intake valves can presumably be done automatically. The automation will have to be rugged and simple. 30 feet however, is fairly high, and likely not suitable except in rural areas. The amount of water, however, is not so insignificant. A 30 foot column with a 4 foot diameter can hold about 3,000 gallons of water. As I understand the scheme, the fresh water side has to be primed almost to the top, meaning the primer water has to be found or transported to the spot before the device works, perhaps not easy in water stricken areas. The article does not mention the evaporation rate possible, thus the gallons per hour transformed and the return on investment. Finally, there is the matter of the brine left on the saline side. How often does it have to be drained, and how? Where does the brackish water go — and at what cost to the environment? It will be interesting to see where UNM takes the idea.

The heat requirements are said to be so low that small solar, or even the exhaust from other household or industrial appliances, such as air conditioners, may be enough to create the vacuum.

Then for another approach to desalinization and energy usage there is the PX Pressure Exchanger which recaptures energy in the waste product, brine, of reverse osmosis.

State-of-the-art desalination plants suck in seawater and then use electricity-driven pumps to put it under pressure. This salty stream is then slammed against filters designed to let the fresh water bleed through while sequestering the high-pressure brine - a process called reverse osmosis.

“It takes a lot of pressure to get the pure water to go away from the salt, and it takes a lot of energy to pressurize the water,” Stover said.

That’s where Energy Recovery comes into play. The company designed its pump to capture the pressure trapped in that left-behind brine and recycle its energy into repressurizing the next batch of virgin seawater destined to be slammed against those reverse-osmotic filters.

Desal Pump

Solar Energy Storage Breakthrough

Thursday, July 31st, 2008

This could be very promising indeed.

In a revolutionary leap that could transform solar power from a marginal, boutique alternative into a mainstream energy source, MIT researchers have overcome a major barrier to large-scale solar power: storing energy for use when the sun doesn’t shine.

Until now, solar power has been a daytime-only energy source, because storing extra solar energy for later use is prohibitively expensive and grossly inefficient. With today’s announcement, MIT researchers have hit upon a simple, inexpensive, highly efficient process for storing solar energy.

Inspired by the photosynthesis performed by plants, Nocera and Matthew Kanan, a postdoctoral fellow in Nocera’s lab, have developed an unprecedented process that will allow the sun’s energy to be used to split water into hydrogen and oxygen gases.[which can be stored] Later, the oxygen and hydrogen may be recombined inside a fuel cell, creating carbon-free electricity to power your house or your electric car, day or night.

More at Wired.

Watermills in Northern Ireland

Monday, July 28th, 2008

WaterMills The world’s first commercial tidal-power system has been connected to the National Grid in Northern Ireland. Built by the British tidal-energy company Marine Current Technologies (MCT), the 1.2-megawatt system consists of two submerged turbines that are harvesting energy from Strangford Lough’s tidal currents. The company expects that once the system, called SeaGen, is fully operational, it will be able to provide electricity to approximately one thousand homes.

Technology Review

Ethanol Being Beaten Back

Thursday, July 24th, 2008

The problem with ethanol as a fuel source isn’t that bio-mass conversion of living matter to fuel doesn’t work but that the first big effort was to grab the low hanging fruit — the grains that we all need just to live, much less to be mobile at high speeds. Work is continuing on converting weeds, switch grass and even garbage into fuel. Those pushing corn and other grains into the hopper are running into some serious push back.

The ethanol industry, until recently a golden child that got favorable treatment from Washington, is facing a critical decision on its future.

Gov. Rick Perry of Texas is asking the Environmental Protection Agency to temporarily waive regulations requiring the oil industry to blend ever-increasing amounts of ethanol into gasoline. A decision is expected in the next few weeks.

Mr. Perry says the billions of bushels of corn being used to produce all that mandated ethanol would be better suited as livestock feed than as fuel.

Feed prices have soared in the last two years as fuel has begun competing with food for cropland.

Ethanol Push Back

Nissan Opens Electric Car Plant in Tennessee

Thursday, July 24th, 2008

The news about non oil based auto fuels is hitting the business pages with some regularity — no longer just the alternative tree-hugging press. Admittedly electric cars are not necessarily carbon free — and won’t be for a long time, but once the infrastructure is in place to deliver electrical re-charges to vehicles then the longer term transition from coal and oil electrical production to production by wind, solar, biomass and more can pick up speed.

As Nissan dedicated its new $100 million Americas corporate headquarters in Cool Springs on Tuesday, President and Chief Executive Carlos Ghosn announced that the automaker had signed a “memorandum of understanding” with Gov. Phil Bredesen to work together with the state and the Tennessee Valley Authority to develop a recharging network in Middle Tennessee.

Ghosn in May said Nissan would begin selling electric vehicles for fleet use in the United States in 2010, and plans to make them available to the mass market as early as 2012.

Nissan Electric in Tennessee

Pickens Commercial

Monday, July 21st, 2008

T. Boone Pickens has done the impossible. The billionaire Texas oil man changed my father, a man who listens to entirely too much talk radio, from saying that oil alternatives are so much flooey and we should get real and drill in Alaska, to saying we must look beyond oil for our energy future. This commercial did it.

Pensito

Switch Grass

Sunday, July 13th, 2008

Switch grass can be grown on non agricultural land and used intelligently could be used as a bio fuel without increasing the price of corn and the foods that depend on it.

Switch Grass.

More Solar in SoCal

Saturday, July 12th, 2008

A big new solar plant was approved by the California PUC this week, though not of the solar thermal kind. To be built down near Blythe, this will be acres and acres of solar panels — the largest installation in the state when it’s finished.

Solar Gets Hot

[Another, similar, is going up in Florida, slightly larger at 25 MW, than the California plant.]

They need to hurry it up though. There are only about 136 megawatts of solar in California now, roughly enough for 136,000 homes. This new one will add 21 MW more. There are something like 5.6 million households in California and while not every household is necessarily a home, the gap is still enormous. Solar and wind together only contribute about 2% of current energy needs.

The articles today that the federal tax credits deemed necessary for faster renewables development are in jeopardy of not being renewed show once again how little focused on our energy problems the Congress is.

More Investment in Clean

Saturday, July 12th, 2008

The ship may be finally starting to turn, or at least the officers — those in control — are starting to talk about turning it. Yep, looks like a serious situation out there. Better nudge the helm a half a point to port…

Intel Capital is boosting its investments in clean technology startups as a way to develop new sources of power for Intel processors.

The chipmaker’s corporate venture arm, one of Silicon Valley’s largest, said this week it put 24 million euros in a German company, Sulfurcell, which converts sunlight into electricity by using modules coated with a thin metallic film.

Intel Raising Stake in Clean Tech

Wave Powered Boat Makes the Transit

Tuesday, July 8th, 2008

The SunTory Mermaid, a boat propelled forward entirely by wave power, has made the 4,350 mile trip from Honolulu, Hawaii, to the Kii Channel off the east coast of Japan.

The bow-mounted mechanism, which harnesses wave power to provide a dolphinlike tail kick from two independently mounted flippers, was designed and built by Dr. Yutaka Terao of the department of naval architecture and ocean engineering at the Tokai University School of Marine Science and Technology in Japan.

The design team originally estimated that the 31-foot-long, three-ton catamaran would average three to four knots and arrive off the east coast of Japan about 60 days after its departure on March 16. But, unusually good weather and calm seas resulted in the boat traveling an average of only 1.5 knots and the Mermaid’s maiden voyage ended up taking 111 days. Nevertheless, Dr. Terao and his team were satisfied with the result.

“We were able to prove that our propulsion system delivers a 7,000-kilometer voyage,” Dr. Terao said

NY Times

Kenichi Horie, the ecologically minded sailor who captained the Mermaid, has set two world records for piloting environmentally sensitive boats, the first in 1993 for the longest distance traveled in a human-powered pedal boat, 4,660 nautical miles, the second in 1996 for the fastest Pacific crossing in a solar-powered boat, 148 days.

At a dockside celebration on Sunday at Shin Nishinomiya Yacht Harbor, Mr. Horie told the gathering: “The time has come for us to shift from fossil fuels. I hope this voyage will increase awareness and interest in natural energy.”

For more about the SunTory Mermaid II see here.

Solar Fire

Monday, July 7th, 2008

“A new type of solar energy collector concentrates the sun into a beam that could melt steel. Researchers say the device could revolutionize global energy production.

The prototype is a 12-foot-wide mirrored dish was made from a lightweight frame of thin, inexpensive aluminum tubing and strips of mirror. It concentrates sunlight by a factor of 1,000 to produce steam.

“This is actually the most efficient solar collector in existence,” said Doug Wood, an inventor based in Washington state who patented key parts of the dish’s design — the rights to which he has signed over to a team of students at MIT. ”

Solar Fire

Get this into China now!

Weaning from Fossil Fuels

Monday, June 30th, 2008

Very good, detailed article in the New Yorker by Elizabeth Kolbert about Samsø, an island in Denmark, which has gone to zero, in ten years, in its CO2 production.

quite deliberately, the residents of the island set about changing [their oil consumption. They formed energy coöperatives and organized seminars on wind power. They removed their furnaces and replaced them with heat pumps. By 2001, fossil-fuel use on Samsø had been cut in half. By 2003, instead of importing electricity, the island was exporting it, and by 2005 it was producing from renewable sources more energy than it was using.

Victory over CO2

Solar Salts

Sunday, June 29th, 2008

Solar Sump

While adoption of solar energy steps up around the world, two key challenges remain: how to store the energy created during the day so it can be used through the night and how to dispatch the energy to where it is needed. Both of these problems may be solved by coupling molten salt with concentrating solar power (CSP), according to a June 26 article in Renewable Energy World.

CleanTechnica.Com

Electric Car Network Ready to Roll

Tuesday, June 17th, 2008

Project Better Place, a Silicon Valley alternative fuels initiative is moving out into the big world. Shai Agassi, an Israel born high-tech entrepreneur left the software field several years ago to do what he wanted to do: create electric driven cars and the new infrastructure needed to make them real alternatives to internal combustion. He’s just got Israel to sign on to helping create the network, and Denmark, with wind produced electricity, may soon follow suite.

Agassi said that because most rides are less than 100 miles, drivers can recharge batteries at home, at work or at thousands of charging points throughout Israel. On longer trips, they can exchange batteries in a five-minute operation at about 200 “swap stations.”

“We have a second battery for every driver in the swap stations. It’s waiting for you in case you need it. You don’t need to carry it with you in the trunk,” Agassi said.

Moreover, Nissan’s global product planning chief, Tom Lane, has said his firm will soon announce a battery breakthrough, one that could increase driving range to around 200 miles per charge while recharging in as little as 20 minutes.

Electric Cars for Israel

Project Better Place has its own web site with photos of the cars as well as technical and business talk about the project.

Hydrogen Fuel Cell Almost Production Ready

Tuesday, June 17th, 2008

Hydrogen Fuel Cell from Honda On Monday, Honda Motor celebrated the start of production of its FCX Clarity, the world’s first hydrogen-powered fuel-cell vehicle intended for mass production. In a ceremony at a factory an hour north of Tokyo, the first assembly-line FCX Clarity rolled out to the applause of hundreds of Honda employees wearing white jump suits.

Honda will make just 200 of the futuristic vehicles over the next three years, but said it eventually planned to increase production volumes, especially as hydrogen filling stations became more common. On Monday, Honda announced its first five customers, who included the actress Jamie Lee Curtis.

Hydrogen Car

Now if I could just get a date with Jamie Lee Curtis I’d get to ride in one!

Solar + Manure

Saturday, June 14th, 2008

“A proposed Central Valley power plant will tap three potent sources of renewable energy at once - the sun, crop stubble and cow manure.

The plant, near the old oil-patch town of Coalinga in Fresno County, will combine a large solar farm with a generator that burns orchard trimmings, agricultural waste and, yes, excrement.

Pacific Gas and Electric Co. will announce Thursday that it will buy electricity from the plant, which will be built by Martifer Renewables, a U.S. subsidiary of a Portuguese company. Terms of the deal have not been disclosed.

The plant’s design will allow it to do something not typically associated with solar power. It will keep running, and generating power, at night. ”

80,000 Homes

Carbon Solution Stumbles

Sunday, June 8th, 2008

This article, Running Circles over Carbon, is about the lack of financial motivation for ramping back on CO2 production. It focuses on two older technologies: coal burning and the attempts to capture and sequester the emitted CO2, and nuclear energy. Both have start-up or reconfiguration costs that are substantial with substantial fear that the rewards won’t compensate.

While this inability for companies to jump in as solution-providers can be cast as troubling as the threat of CO2 effects grow, it may also mean that truly clean and innovative technologies such as wind and solar will draw more interest and capital — such as legendary oil man T. Boone Pickens major push into wind.

Electric Cars: Katmandu and Wichita

Monday, June 2nd, 2008
Nepal Electric Car

Nepal, high in the Himalayas, realized it had a smog problem years ago and banned some classes of oil burning polluters. Electric Vehicles, locally tricked out, are now the main source of public transportation, to most everyone’s delight.

CNN Video link [short ad alert]

We don’t know where the electricity is coming from so we can’t give a complete cheer, but stepping ahead is good.

Alternative Energy Ideas

Tuesday, May 27th, 2008

Wave Farms

Lots of interesting new devices using “bio-mimicry” to generate power. There are a couple of links in the article to “motion” graphics.