CONTENTS
Volume 86, Number 12 • December 2007
 
 FEATURES
Fleets As Test Labs  38 
Real world testing by savvy fleets makes for better products.
 
Trailer Report: Reefer Rules Loom  62 
In a year, older diesel-powered reefers – even those meeting federal emissions rules – will no longer be welcome in California.
 
New Engine Launch  66 
Detroit Diesel’s new heavy-duty engine platform that will ultimately replace Series 60 and MBE 4000 in North America.
 
Light & Medium Duty 90 
Roundup of latest developments in cargo vans.
 
NIFTYFIFTY 48
Best Products of 2007
HDT editors honor the top products of the year for usefulness to truck operators.
 DEPARTMENTS
 10  DOUG CONDRA
Heading for a blue Christmas.
14  DEB WHISTLER
Watch them while they work.
16  WASHINGTON REPORT
Undercover investigation finds drug-testing flaws.
20  Hotline CVSN
A strong voice for the independent aftermarket.
36  THE BIG PICTURE
Lana Batts wonders, what's really normal when it comes to managing a trucking company in today's market?
70  EMISSIONS REPORT
International first to enter hybrid commercial truck production.
74  TECH REPORT
Keeping tabs on the fleet from a web page.
80  TECH REPORT
What’s to come? The future
for truck tires.
96  STEVE STURGESS
The camless concerto: Camless engine design could offer 20 percent fuel savings.

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