May/June 2011
Editorial
A mascot the wind industry doesn't need
The annual show put on by the American Wind Energy Association is always a good place to see innovative technology for wind power. This year's event,...
Features
Modern metering, old grid
If the utility industry ever adopts terminology from the military, they might begin calling smart meters the point-of-the-spear when it comes to the smart...
Passing the stress test for energy efficiency
Promoters of the Energy Star efficiency standard got egg on their faces last year when the Government Accountability Office submitted fake products and...
Keeping inverters safe
The converters normally employed with solar and wind power generation systems must work reliably under a wide variety of operating conditions. It is customary...
CAD to the rescue for fluorescent dimmer design
Peruse a few online help forums about lighting and you'll quickly conclude that it's tough to dim fluorescent bulb loads. The dimming of fluorescent lamps...
Lighting it up with high-power LED drivers
High-power LEDs now in production have hit 100 lumens/W in output, a level considered a critical milestone. Some manufacturers even claim they get 120...
Energy Shorts
It's a halogen, it's a CFL, it's Superbulb!
The traditional incandescent bulb is now in the cross-hairs of regulators worldwide thanks to the fact that only about 10% of the electricity it uses...
The Big Apple selects a greener taxi
After a two-year competition, the New York City Taxi and Limousine Commission has selected the Nissan NV200 as the only vehicle that will be used as taxis...
Cheat sheet for replacement bulbs
The days of gauging bulb brightness from the power consumption figures on the packaging are about to end. A new lighting information label will soon be...
COMPANY NEWS
Electronics for hybrid-electric vehicles Freescale Semiconductor, Austin, Tex., will collaborate with Fuji Electric Systems Co. Ltd., a subsidiary of...
Collegiate competition kicks off
The U. S. Dept. of Energy has announced the official launch of the EcoCAR 2: Plugging into the Future competition and the the selection of the 16 participating...
EV low on juice? Soon Google will direct you to the nearest charging station
People driving electric vehicles will soon be able to find those elusive charging stations more easily, thanks to an agreement between the Dept. of Energy...
Appy hour: Smart phone apps save energy, money, time
Save energy with curly bulbs The CFL Light Bulb Savings Calculator iPhone app by Yuan Ventures shows users the potential annual savings that can be realized...
Fill'er up, with algae
Biofuel derived from algae could replace 17% of the oil imported by the U.S., according to recent study by DoE's Pacific Northwest Laboratory. One advantage...
Legislation
Free Choices
The concept of legally-enforced performance standards for buildings and equipment makes a lot of economists uneasy. ...
Invention of the Month
An electronic transmission for electric vehicles
What should a transmission for an electric vehicle (EV) look like? Engineers at Zelentek, Hillsboro, Oreg., would argue it should be completely electronic....
Energy figures
Energy Figures of the Month
Regulators put the heat on ice maker efficiency ...
Energy myths
Energy Myths
A common misperception is that energy companies have no intention of investing in clean energy, so government programs must do the heavy lifting. In fact,...
Energy websites
ENERGY WEBSITES
LED versus incandescent Editor Lee Teschler's blog, A waste of energy takes on the debate over light quality from new and old types of bulbs. Read the...
Letters to the Editor
LETTERS TO THE EDITOR
Readers are still fascinated by CFLs. They have some suggestions as to why they fail, who's making them, and how they might give electric companies fits when it comes to billing....








