EPA 2010/ GHG14 EMMISIONS - PowerPoint PPT Presentation

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Title:

EPA 2010/ GHG14 EMMISIONS

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Title: 2010 SCR System Author: PC Customer Last modified by: Amanda Gray Created Date: 10/27/2009 4:56:09 PM Document presentation format: On-screen Show (4:3) – PowerPoint PPT presentation

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Title: EPA 2010/ GHG14 EMMISIONS


1
EPA 2010/ GHG14 EMMISIONS
  • Created for APMA - 2013
  • By Scott Fast

2
EPA 2010 Notes
  • 2010 stricter emission standards than 2007
  • OEMs will go to a Selective Catalyst Reduction
    (SCR) System.
  • SCR gives the customer better fuel economy.
  • SCR will treat exhaust down stream from engine.
  • SCR will add 500 800 LBS to truck chassis.
  • SCR will effect total payload, in some
    applications.
  • SCR packaging will change chassis configurations
    for most customers.

3
Emissions Control Strategy
2007 Emissions
2010 Emissions
4
How SCR works
Exhaust leaves the engine with the pollutants
NOx and PM
  • Exhaust

DEF
Particulate Matter (PM) is trapped in the Diesel
Particulate Filter (DPF)
DEF injected into the exhaust stream
NOx PM
DEF
NOx
PM
Ammonia (NH3) and Nitrogen Oxides (NOx) react in
the catalyst to form Nitrogen and Water
NH3
DEF solution hydrolyzes into ammonia gas (NH3)
which mixes with the exhaust
SCR Catalyst
N2
H2O
5
HD 1-Box ATS (under step)
6
1-Box Flow
The following diagram illustrates the flow of
exhaust through the DOC and DPF. Then where the
DEF enters the hydrolysis pipe and eventually
meets the exhaust in the SCR device. Detroit
Diesels dual parallel flow (ATD SCR catalyst)
reduces backpressure on the engine thus
increasing fuel efficiency.
Item Component
1 Diesel Oxidation Catalyst (DOC)
2 Diesel Particulate Filter (DPF)
3 SCR Devices
4 DEF Hydrolysis Pipe
1
2
1
2
3
4
3
7
Urea System
  • 13 gallon urea tank shown
  • 6/13/23 gallon tanks
  • available
  • Mounted LH side of chassis

HD Urea Tank
8
Driver Interface
Representative example for driver warning
LED lamp is bicolor amber / red
First 3 LED bars display green
4th (low) LED bar is tricolor green / amber / red
  • Integrated Fuel and DEF Gauge
  • Fuel level gauge with low level indicator
  • 4 LED level indicator DEF gauge below w/ low
    level indicator

9
2010 Driver Inducements
In addition to the SCR hardware is a new DEF
gauge. Just like filling up their diesel tank,
drivers will need to remember to watch their DEF
gauge and fill it when needed.
DEF Level Gauge Lamps DEF Lamp
75 to 100 4 green lights off
50 to 75 3 green lights off
25 to 50 2 green lights off
10 to 25 1 green light off
5 to 10 1 yellow light on solid
0 to 5 1 red light flashing on flashing
FULL
Check Engine Lamp
EMPTY
25 Engine Derate 55 MPH Vehicle Speed Limit
Malfunction Indicator Lamp (MIL)
10
2010 Driver Inducements
If the driver accidentally puts an improper fluid
into the DEF tank, the SCR system will detect the
error and the malfunction indicator lamp will
illuminate.
  • The following action will be employed once this
    condition is detected
  • 25 engine derate
  • 55 mph speed limit imposed
  • After 1,000 miles or 20 hours of operation
    without remedy a vehicle speed will be limited to
    5 mph.

Malfunction Indicator Lamp
  • Similar actions will be employed if the engine
    detects any tampering or failure with the
    after-treatment sensors or hardware.
  • Under no circumstances will the engine be
    shutdown due to running the vehicle out of DEF or
    putting the improper fluid in the DEF tank

11
GHG 2014 Notes
  • Incorporates OBD diagnostics
  • GHG2014 begins with M/Y 2014 and increases
    stringency through M/Y 2018.
  • GHG14 applies to both engine, and vehicle.
  • Separate standards for CO2 (Carbon Dioxide), N2O
    (Nitrogen Dioxide), CH4 (Methane) and HFCs
    (Hydro fluorocarbon's)
  • Greenhouse Gas (GHG) CO2 Grams per Ton-Mile
  • Fuel Economy Gallons per 1,000 Ton-Mile
  • HFCs Leakage from HVAC systems may not exceed
    1.5 per year.

12
What Customers need to know
  • GHG14 Unit production started on January 7, 2013
  • Customer can still spec trucks like they want to.
    Most Regulatory GHG14 features are optional.
  • GHG14 Models are using Aerodynamics, LRR Tires,
    Vehicle Weight, Engine Efficiency, Idle Reduction
    and Vehicle Speed Limiters to lower GHG
    emissions.
  • OBD Diagnostics are mandatory. There will be an
    average price escalator of around 800 per truck.
  • State Inspectors may inspect for OBD faults.
    (Emissions Faults)
  • OEMs are gaining 4-6 better fuel economy with
    GHG14, over EPA2010.

13
(No Transcript)
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