January/February 2011
Editorial
Lighting up rooms with nobody in them
We are about a year away from the date on which mandated energy efficiency standards will increasingly make it impossible to sell incandescent bulbs in...
Features
More juice for the electric vehicle market
Automakers aren't the only ones working on technologies for electric vehicles...
Better efficiency with hydraulics
For tough tasks, hydraulic drives can be more energy efficient than electric motors...
Here comes energy efficient Ethernet
The first wave of networking gear with energy efficiency in mind is about to hit...
Inside a wind turbine simulation
Simulation techniques perfected for embedded computer systems and mechatronics help speed development of modern wind turbines...
Energy shorts
Here comes ENERGY STAR certification
The rules of the game for Energy Star changed on January 1...
Energy efficiency? There's an app for that
As the iPhone grows in popularity, useful applications or apps are proliferating. Here we present a few of our favorite engineering apps involving energy...
Company News
Certfication body TV Rheinland of North America, Newtown, Conn., has been recognized by the EPA as a certification body (CB) for the new Energy Star Enhanced...
Legislation
Building to the test: No A/C left behind
More efficiency is better than less, right? For air conditioning systems under five tons capacity (65,000 Btu/hr, actually) the efficiency figure of merit...
Invention of the month
Trackside flywheel stores energy for trains
Engineers at Kinetic Traction Systems Inc. in Chatsworth, Calif., (www.kinetictraction.com) are developing flywheels to store energy recouped from braking...
Energy figures of the month
Data Visualization Helps Make Wise Energy Choices
The idea is simple: Show people real-time household energy usage, along with usage history, so they can make informed decisions about when to use appliances....
Energy myths
The straight skinny of lithium ion batteries
Lithium ion batteries are among the most common rechargeable batteries on the market. But consumers are still somewhat confused about their use and limitations....
The Myth of Expert Infallibility
Recently Fox News reporter Maxim Lott compiled a list of some mistaken predictions by climate experts who, at least in terms of their predictive abilities,...
Tesla: An American-built EV? Not yet.
Headlines about Tesla Motors and its electric vehicles often mention the company's founding by Silicon Valley engineers and the 3.7 seconds its roadster...
Energy Websites
Energy Websites
New videos: All about the Volt Electric vehicles were the rage at the recent North American Auto Show in Detroit, but you might want to consider how to...
New products
Compact intelligent power modules
The 1,200-V six-pack MiniSKiiP IPM (intelligent power module) has a high-voltage driver IC and features state-of-the-art Trench-Field-Stop IGBTs, which are optimized for low switching losses and high current densities...
Supply hits 19-W/in.3 density
The 32-V @ 780-A Model PM37223-10P power supply yields a power density of 19 W/in2...
Step-down regulator is 94% efficient
The MAX15040 is a low-voltage (2.4 to 3.6 V), synchronous switching regulator in a 2 x 2-mm wafer-level package (WLP)...
Supercapacitor packs power into tiny footprint
OptiXtal has developed what is reportedly the world's smallest supercapacitor...the SuperXcap Mini...
Energy Efficiency in Action
Rings curtail bearing current in variable-frequency drive cement plant motor...
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Videos
The Cleveland Museum of Natural History and The SmartHome Project
Featured Suppliers
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