Word: unitization
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...where a device is," says Mark Williamson, Dash's director of marketing, who adds that the device was purposefully designed that way to protect consumer privacy. Instead the Sunnyvale, Calif.-based company uses information sent from Dash devices only to provide faster updates on local traffic conditions. (Should a unit get stolen, however, Dash lets owners disable it remotely by calling customer service and providing the serial number...
...technology has long existed to do so, she says, "They never really had to compete in this space, so there wasn't the need." But as prices come down (on April 23, TomTom reported that its average product price had fallen 42% over the past year to $185 per unit) and as the number of GPS device manufacturers increases, companies are scrambling for ways to differentiate their wares...
Even with two-way connectivity, makers may still allow consumers to opt out of subscribing to the unit-tracking function, in part because that service would increase the annual fee - about $50 - that many companies already charge to transmit traffic updates and other information. What's more, it's not the average consumer who would track down a criminal to get his TomTom or Mio back. But the fact that it could be tracked at all would serve as a powerful deterrent; it would also help authorities locate and bust larger-scale crime rings, which typically hawk stolen electronics...
...Your cover story provides a distorted, inaccurate picture of biofuels. The overwhelming body of data demonstrates the carbon benefits of biofuels. For every unit of energy it takes to make domestic biodiesel, 3.5 units are gained, giving biodiesel the highest energy balance of any liquid fuel. In 2007 alone, biodiesel's contribution to reducing greenhouse-gas emissions was the equivalent of removing 700,000 passenger vehicles from America's roadways. The U.S. biodiesel industry strongly opposes rain-forest destruction and nonsustainable agricultural practices. Biodiesel increases our renewable-energy supply, adds well-paying, green jobs to the economy and reduces carbons...
...According to National Geographic, soy-based biodiesel such as is used in Harvard’s fleet, contains 2.5 units of usable energy for every unit of energy used in its production (which compares favorably to corn ethanol’s ratio of 1.3:1), and decreases the emissions of carbon dioxide by 68 percent compared to standard diesel...