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DEF Fact or Fiction? . Proponents of Massive EGR have spent a small fortune to convince the market that its In-cylinder system is superior to SCR. This information will provide the “whole story” in factual terms related to Diesel Exhaust Fluid use in 2010. DEF Fact or Fiction? . Fiction.

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Def fact or fiction l.jpg
DEF Fact or Fiction?

Proponents of Massive EGR have spent a small fortune to convince the market that its In-cylinder system is superior to SCR. This information will provide the “whole story” in factual terms related to Diesel Exhaust Fluid use in 2010.


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DEF Fact or Fiction?

Fiction

Fact:

DEF is corrosive, hazardous, and unsafe to handle

  • Material Safety Data Sheet (MSDS)

  • Hazards Identification “Urea Solution is not Flammable”

  • First Aid Measures“Wash area thoroughly with soap and water”

  • Fire Fighting Measures“Urea solution is not flammable”

  • Transportation Information“Urea solution is not listed by any US or Canadian transportation authority as a hazardous material…”


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DEF Fact or Fiction?

Fiction

Fact:

Urea becomes toxic at 118°F

“Urea does not become toxic at any temperature”

“…at 122°F, DEF will still meet ISO specifications of less than 0.2% ammonia for at least 35 days. At that rate with would take more than 2 years to reach the ammonia level of household ammonia which is still not classified as toxic” James Spooner VP & GM Colonial Chemical Company


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DEF Fact vs. Fiction

Fiction

EPA Requires DEF flow within 70 minutes – Detroit Diesel testing has proven DEF flow within EPA requirements

Fact:

DEF is useless in the cold because it freezes at 12°F

Engine coolant is used to thaw DEF in tank. System will function until DEF begins to flow

DEF will start to freeze at 12°F


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DEF Shelf Life at Constant Temperature

(average temperature during month of July)

50

45

40

35

30

44

Months

74°F avg. July temp

41

Months

75°F avg. July temp

Months

25

36 months

77°F avg. July temp

20

15

10

7 months

5

0

Los Angeles

Chicago

Atlanta

Phoenix

DEF Fact vs. Fiction

Fiction

Fact:

At 86°F DEF will only last 1 month

At 86°F DEF has a shelf life of 1 YEAR!

95°F avg. July temp

Source: Terra Industries


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DEF Fact vs. Fiction

Fiction

Fact:

DEF will cost between $17 and $34 per gallon

DEF pricing is dependant on packaging size

Worst Case:Pass Car Dealership Gallon

Most Frequent Scenario:Fleet Terminal 275 Gallon IBC

$15.50 per Gallon

$2.61 per Gallon

$7.75*2 = $15.50/gallon

$719.60/275 = $2.61/gallon


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2010 Fact vs. Fiction

Fiction

If I run out of DEF my truck will not start

Fact:

The DEF gauge indicates the level of DEF in the tank and has a series of alerts when the tank is running low

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

NATIONAL VEHICLE AND FUEL EMISSIONS LABORATORY

SUBJECT: Certification Requirements for Heavy-Duty Diesel Engines Using Selective Catalyst Reduction (SCR) Technologies

When the DEF tank is empty “…the vehicle will be limited to 5 mph with inducement notification”


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Euro2 1996

EPA ‘94

5.2

5.0

EPA ‘98

Euro3 2004

North America

Europe

3.7

4.0

NOx [g/hp-hr]

NOx [g/hp-hr]

Euro4 2005

EPA ‘02

2.6

2.5

Euro5 2009

EPA ‘07

1.5

1.2

Euro6 2013

EPA 2010

0.3

0.2

0.10

0.01

0.10

0.01

PM [g/hp-hr]

PM [g/hp-hr]

2010 Fact vs. Fiction

Fiction

EPA2010 and EuroV (2008) are the equivalent emissions levels

Even in 2013 Europe will not be required to meet the same level of NOx emissions as North America in 2010

Fact:

NOx: 0.2 g/hp-hr

PM: 0.01 g/hp-hr

NOx: 0.3 g/hp-hr

PM: 0.01 g/hp-hr


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2010 Fact vs. Fiction

Even Europe is moving away from SCR technology

Fiction

Fact:

“It is generally accepted that a Euro 6 (2013) engine will combine both SCR and EGR technology.” - Automotive World

“Euro 6 (2013) limits are almost certainly going to require EGR and SCR to share the burden of NOx control…”

- Roadtransport.com


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2010 Fact vs. Fiction

Fiction

SCR places burden of compliance on Customer

Fact:

  • SCR is a long term solution that increases Fuel Economy by up to 5% over EPA’07 engines, removing the burden from the customers’ pocket book

  • Customers can fill their DEF tank while they pump diesel

Fill DEF Here


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2010 Fact vs. Fiction

Fiction

Packaging of SCR system will be complicated

Fact:

BlueTec 1-Box Installation


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2010 Fact vs. Fiction

Fiction

SCR is not a long term solution

Fact:

  • SCR reduces fuel consumption which is directly tied to CO2 emissions

- Transport Topics

EGR 2007

EGR 2010


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2010 Fact vs. Fiction

Fiction

EGR is a proven solution to meet EPA2010

Fact:

  • Massive EGR requires the following:

    • New Air Management System

    • New Fuel Injection System

    • New Vehicle Cooling System

EGR 2007

EGR 2010