Feedback

"Rewiring the Creative Mind" (October) is the first article I have read that quantifies Napoleon Hill's philosophy. When you perceive an idea outside of the norm, your brain goes to work in different ways. It sounds so simple and yet it is very hard to do. What a brilliant way to illustrate it. I will most certainly be reading Iconoclasts. This book just may be the tool I need to keep my ideas fresh.

Chris Pappalardo
Wilmington, North Carolina

Defending Diesel

I would like to clarify a few points in the October Green Business column. First, today's diesel engines are cleaner than ever. By 2010, their emissions of NO_x and Particulate Matter (PM) will be reduced to virtually zero. Second, one major reason that there are not yet federal fuel-economy standards for trucks is because of the sheer diversity of applications. Finally, companies operating trucks have every incentive to find ways to increase overall fuel efficiency, not just measure miles per gallon. The real issue is measuring efficiency in terms of work done per unit of fuel. The industry supports the EPA Smartway program and believes it is effective because it is voluntary.

David Nguyen
Arlington, Virginia

Editor's Response: The truck market is more complex than that of passenger cars, but the government is working on fuel-efficiency standards for trucks now, something that FedEx deserves credit for. We used mpg as a metric because that's what FedEx uses to compare the old trucks with the new hybrids, which are the same size and serve the same functions.

Fast Fixes

The "last album" category in "Songs of Autumn" (September) excluded collections of cover songs.

In "The Second Life of Second Life" (October), we should have identified Joni West as a fine artist and longtime marketing consultant for firms such as Jack Morton Worldwide and Avenue A/Razorfish. She built This Second Marketing using digital campaigns and focused on the value she could provide, not price.

In "MTV's Digital Makeover" (November), we misspelled the name of Robert Kirkman, creator of the comic opera Invincible.

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