Detroit Diesel Offers Free Upgrades to Boost Fuel Economy

Detroit Diesel Corporation has announced that a new software release
soon will be available to customers, free of charge, which will enhance
the fuel economy of EPA ’07 Series 60 engines.

“Extensive testing of the Series 60 has shown our particulate
filter regeneration process is more effective than originally
anticipated,” said David Siler, director of marketing for Detroit
Diesel. “The fact that the filters are staying clean, combined with some
advancements in the regeneration software, allows us to enhance the
regeneration process to improve the fuel efficiency for the engines.”

These improvements, according to Detroit Diesel engineers, will
increase fuel economy by up to 2.5 percent. In addition to regeneration
cycle modifications, Detroit Diesel also announced no-charge features
that can significantly enhance the vehicle’s shifting and cruise-control
operations.

“Progressive shifting, which limits engine speed during
upshifting, can add additional savings in fuel consumption,” Siler said.
“Optimizing engine speed while in cruise control can further enhance
savings. Both of these features will be made available to customers at
no charge at the same time they come in for the regeneration programming
— making the trip to an authorized Detroit Diesel facility well
worthwhile.”

Owners can take advantage of the modifications and associated
fuel-economy benefits by scheduling a visit to any Detroit Diesel dealer
or distributor to have their EPA ’07 Series 60 engine re-flashed at no
cost beginning July 1, 2008. Any EPA ’07 Series 60 produced after July
1, 2008, will automatically be programmed for the modified regeneration
cycle.

For more information: www.detroitdiesel.com

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