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Read all 'kinetic energy' posts in Green Tech
July 8, 2009 3:02 PM PDT

Want some kinetic energy with those fries?

by Sharon Vaknin
  • 12 comments

It's been criticized for contributing to the obesity epidemic and condemned by PETA, but now a Burger King franchise in the New York metro area has announced that it wants in on the green movement. The high-traffic restaurant in Hillside, N.J., will install a speed bump designed to harness the kinetic energy produced by the hundreds of cars that pass through the drive-thru daily.

As they wait for their Double Whopper, customers will roll through a section of the drive-thru lane lined with metal plates that move down and up as cars head to the next window. The MotionPower technology developed by Burtonsville, Md.-based New Energy Technologies, could harness and capture the energy twice daily, the company reports.

"More than 150,000 cars drive through our Hillside store alone each year, and I think it would be great to capture the wasted kinetic energy of these hundreds of thousands of cars to generate clean electricity," said Andrew Paterno, co-owner of 12 N.Y. metro-area Burger Kings. In its report, New Energy Technologies said it is partnering with BK for "durability testing," so it may be awhile before energy is actually captured and put to use. Once active, it's possible that the energy would be routed directly to the power grid.

So how is Burger King benefiting from this? It's unlikely one "green" speed bump will attract more customers (unless it relieves the guilt of an unhealthy meal). Instead of offsetting the restaurant's already wasted energy, BK should focus on the many ways it can reduce its energy usage in the first place. For example, recycling used vegetable oil, installing solar panels on the roof and windows, or transporting their proteins on low-impact trucks, such as this one.

Will an energy-producing speed bump eclipse Burger King's bad rep with environmentalists? Probably not. But I'll give them credit for playing guinea pig. New Energy Technologies, which develops other renewable energy, has a larger plan to install speed bumps in toll booths, streets, border crossings, and other high-traffic areas.

June 3, 2009 9:39 AM PDT

Charging gadget redefines power-walking

by Candace Lombardi
  • 8 comments

The nPower PEG (at right) can harness kinetic energy to power most portable electronic devices.

(Credit: nPower/Tremont Electric)

The nPower PEG (Personal Energy Generator) from a company called Tremont Electric harnesses personal kinetic energy as a person walks, transferring it into electricity to the portable electronic device plugged into it.

Using this method, the PEG can charge the average portable device up to 80 percent in about an hour.

Aaron LeMiex, the inventor and founder of Tremont Electric, came up with the idea for the device while hiking 1,500 miles of the Appalachian Trail more than 10 years ago.

The PEG is 9 inches by 1.5 inches, weighs about 9 ounces, and is made of recycled materials. The PEG isn't a battery, so users can not store their kinetic energy to be used for charging later. Instead, it's more of a kinetic energy real-time converter that must be plugged in to the device as it's moving for the kinetic energy to be transferred as electricity immediately to the device.

The PEG, which has a standard USB 2.0 output, is compatible with 90 percent of portable electronic devices including MP3 players, GPS units, and digital cameras, according to Tremont Electric. (The compatibility list includes BlackBerry, iPhone, iPod, LG Chocolate, Magellan GPS, Nintendo DS Lite, Palm Treo, and most cell phones from Motorola, Nokia, Samsung, Sanyo, and Sony.)

There's no need to wear the device, as with some other kinetic energy harvesting devices. Simply carrying the PEG in a backpack, purse, or briefcase while walking provides the opportunity to harvest enough kinetic energy for the electricity. ... Read more

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