Archive for the ‘Energy’ Category

Kelptomaniacs to the Energy Rescue

Friday, January 20th, 2012

More interesting news about new forms of biofuels:

“Scientists in a cluttered Berkeley laboratory are working a bit of biochemical wizardry to transform ordinary seaweed into biofuels that promise a new source of energy for this oil-dependent nation.

The lab’s research has already fueled a startup company whose workers in southern Chile are farming nearly 200 acres of kelp offshore and building a pilot plant that aims to demonstrate it can scale up production rapidly to produce a major source of ethanol and essential chemicals in the very near future.

The raw material is the same waving kelp species that sea otters love in Monterey Bay, but its tough fronds have long proved impossible for common bacteria to digest…
SF Gate:

Electric Power to the Auto

Sunday, October 30th, 2011

I’ve slacked off on posts here about climate change, and the energy and technology challenges facing us.  It’s time to correct that. Here is an article about the infrastructure changes that have to take place.  Walgreens has a deserved bad reputation for its labor practices and outsourcing to China.  Being part of building the necessary infrastructure doesn’t balance such scales but can be praised for weight on the proper side of the all important scales of de-fossilizing our fuel sources.  Electrical car energy by itself is neutral, so long as the generators of that electricity are coal or gas powered, but the power stations are at least agnostic as to their suppliers — wind, water and biomass will do as well — while gas pumps are not.

 

Soon, you’ll be able to charge your electric car at some Walgreens stores in the Bay Area.

Installation of electric vehicle charging stations begins next week at six stores in San Francisco, San Mateo and San Jose, with dozens more to come.

“It’s a natural fit for us, given our major locations on arterial roads, major commuter routes, and in urban areas,” said Jamie Meyers, the drug chain’s manager of sustainability.

The Deerfield, Ill., company plans to roll out EV charging stations in 800 locations in the coming months, including 47 in the Bay Area and Northern California. Six are already operating in the Sacramento area.

SF Gate

Solar Windows

Saturday, June 25th, 2011

Windows are, by their nature, solar devices, as the Romans discovered when glass was first used, and as cats and humans know who bask in their warmth. Driven by the world wide energy crisis, science is taking the contribution of window glass to whole new heat.

General Electric singled out Pythagoras Solar this week for a $100,000 award for its innovative embedded solar-cell window design

The idea is that the window lets in less light, while still being transparent, so buildings get needed shade during hot sunny hours, reducing their air conditioning use and making the building more energy-efficient. At the same time, the panels produce solar power, which the building can use for electricity. The company is currently targeting architects and commercial building owners. Reuters

This is not the only idea at work, however:

…the Norweigan solar power company EnSol has patented a thin film solar cell technology designed to be sprayed on to just such surfaces. Unlike traditional silicon-based solar cells, the film is composed of metal nanoparticles embedded in a transparent composite matrix, and operates on a different principle. EnSol is now developing the product with help from the University of Leicester’s Department of Physics and Astronomy.

“One of the key advantages is that it is a transparent thin film that can be coated onto window glass so that windows in buildings can also become power generators,” gizmag

In Queensland a dye infusion method is being developed, also to turn glass into electricity generators.

Treehugger reports on XsunX effort to develop a thin film application that could be used on windows as well as other surfaces. A quick slide show with some tech details is here.

MIT wants to use windows as solar concentrators, gathering the energy along the edges at the frames.

And for a quick discussion of some of the technologies as reflected in stocks, try this.

Some project that virtually the entire world could be powered from the sun in less than 20 years — if the good guys win. One of the brakes on this possibility is that attention is still being turned to “clean” coal. Bad idea, as most of you know. Here’s a recent Union of Concerned Scientists report on how bad.

A Risky Proposition: The Financial Hazards of New Investments in Coal Plants

So no single silver bullet, but lots of smaller ones with some promise. Down with stupidity! Up with innovation!

 

Wind Power News

Tuesday, February 8th, 2011

The government could issue leases for four new East Coast wind farms by year’s end as part of a streamlined approval process designed to quickly identify the nation’s most promising areas for offshore wind energy, theU.S. Department of the Interior said Monday.

The U.S. Department of Energy also said it intends to spend more than $50 million over the next five years to speed development of the farms and help meet President BarackObama’s goal of generating 80 percent of the nation’s electricity from clean energy sources by 2035.

SF Gate

Energy Efficiency: The New Industry

Monday, December 27th, 2010

“As our economy continues to sputter, one little-noticed industry has been booming for a while now: energy efficiency. The sector is hiring like crazy — a fact that speaks volumes about the close relationship between clean energy and the economic recovery that we’re all waiting for. Energy efficiency could save us all.

“My firm works with utilities, government agencies, housing authorities, and other groups to help increase energy efficiency. We started in 1984 with three employees and one office. Today, we have nearly two dozen offices nationwide and employ 700 staffers from coast to coast. Most strikingly, we’ve added more than 250 people and 12 offices in just the last two years. The reason is crystal clear: Energy-efficiency services are in great demand. We are continuing to expand rapidly as more groups turn to us for help.”

Grist

Using Oysters to Measure Oil Impact

Monday, November 29th, 2010

For the scientifically curious the SF Chron has an interesting piece on Monday, Nov 29 (not available online until 4 a.m Wendesday, Dec 1. unless you are a print subscriber.)

All bivalves (oysters, clams, quahogs etc.) grow their calcium-carbonate shells in yearly increments, creating tree-ring like growth marks.  Embedded in each year’s addition are traces of the elements in the bivalve environment that year — including any heavy metals such as vanadium, lead and barium — all constituents of oil.  Thus, measuring oyster rings from the same spot, over several years is a very good indicator of the health of that area.  Brilliant.

The work began when the “Cosco Busan” spewed oil into the San Francisco Bay in 2007.  Now it will be used in the far more serious spill in the Gulf.

Fossil Fuels – Defeated by War?

Wednesday, October 6th, 2010

Strange as it may sound, the urgency and capacity to rapidly reduce the dependency on fossil fuels, and thereby save future generations from permanent climate wars may be provided by the needs of present wars.

The NY Times is reporting a major push for non-fossil fuel energy sources for the wars going on in Afghanistan and Iraq.

Even as Congress has struggled unsuccessfully to pass an energy bill and many states have put renewable energy on hold because of the recession, the military this year has pushed rapidly forward. After a decade of waging wars in remote corners of the globe where fuel is not readily available, senior commanders have come to see overdependence on fossil fuel as a big liability, and renewable technologies — which have become more reliable and less expensive over the past few years — as providing a potential answer.

Fossil fuel accounts for 30 to 80 percent of the load in convoys into Afghanistan, bringing costs as well as risk. While the military buys gas for just over $1 a gallon, getting that gallon to some forward operating bases costs $400.

Last year, the Navy introduced its first hybrid vessel, a Wasp class amphibious assault ship called the U.S.S. Makin Island, which at speeds under 10 knots runs on electricity rather than on fossil fuel, a shift resulting in greater efficiency that saved 900,000 gallons of fuel on its maiden voyage from Mississippi to San Diego, compared with a conventional ship its size, the Navy said.

The Air Force will have its entire fleet certified to fly on biofuels by 2011 and has already flown test flights using a 50-50 mix of plant-based biofuel and jet fuel; the Navy took its first delivery of fuel made from algae this summer. Biofuels can in theory be produced wherever the raw materials, like plants, are available, and could ultimately be made near battlefields.

Concerns about the military’s dependence on fossil fuels in far-flung battlefields began in 2006 in Iraq, where Richard Zilmer, then a major general and the top American commander in western Iraq, sent an urgent cable to Washington suggesting that renewable technology could prevent loss of life. That request catalyzed new research, but the pressure for immediate results magnified as the military shifted its focus to Afghanistan, a country with little available native fossil fuel and scarce electricity outside cities.

NY Times

Oh how Senator McCain’s military stamped soul must be at war with his climate change denying mouth….