NGV DG Flex Bosch

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DG-Flex (Diesel Gas System – Bosch)

Confidential | DS/RP-LA | 6/5/2008 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

Diesel Systems

DG-Flex(Diesel Gas System – Bosch)

José Mauro PelosiRegional President Diesel Systems Latin-America

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Project motivationDG-Flex (Diesel Gas System – Bosch)

Confidential | DS/RP | 6/5/2008 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

Diesel Systems

DieselGas

Environmentaldemands

in big cities (SP)(Particulates)

FuelAvailability

(Infrastructure)

FlexConcept

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DieselGas

Environmentaldemands

in big cities (SP)(Particulates)

FuelAvailability

(Infrastructure)

FlexConcept

Project motivationDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

DieselGas

Emissions

FlexConcept

+Driving

Performance

OperationalCosts(ROI)

PPI* + CO2

Project drivers

* Potential Pollution Index

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Diesel Systems

Emissions

5,0 4,7

3,2 3,5

0

1

2

3

4

5

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P4 Original Engine DG Result P5

P4 Original Engine DG Result P5

Potential Pollution Index:- developed by EMTU/SP in cooperation with Environmentality.- balances CO, HC, NOx and PM (particulate material) emissions in one formula- allows emissions evaluation of different technologies in a single comparative scale.

5

2

2,5

3

3,5

4

4,5

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EmissionsDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

Kg CO2/Km

PP-19% CO2

0,6 0,7 0,8

-36% PP

EU2

EU3

DG

Rated Power: 180hp; Speed: 30km/h

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Emissions homologationDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

MWM6.10 – 180CV

0,02

0,120,15

0,00

0,15

Proconve 4 Original Engine EngineCertif ication

(DG)

5,406,817,00

0,00

7,05

Proconve 4 Original Engine EngineCertif ication (DG)

0,79

0,27

1,10

0,00

1,10

Proconve 4 Original Engine Engine Certification(DG)

4,00

0,66 0,600,00

4,00

Proconve 4 Original Engine EngineCertif ication

(DG)

Until 75% less Particulate Emissions can be achieved

Non-Methane Hydrocarbons and CO reduced by Oxi-Cat

Particulates NOx HC CO

Proconve 4 Original Engine Engine certification on Diesel-gas

NMHC

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Performance and testsDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

40

50

60

70

80

90

100

110

120

130

140

150

160

800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000Engine Speed (RPM)

Pow

er (k

W)

200

250

300

350

400

450

500

550

600

650

700

750

800

Torq

ue (N

M)

100% Diesel Mode

Diesel/Gas Mode

Original Engine

Power

Torque

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Diesel Systems

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System configurationDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

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Source: Medium values measured in 30.000 km | Vehicle endurance test - Aug 07

16,5

7,5

27,5

Diesel Diesel Gas



Diesel Systems

13,5

16,549,5

Diesel Diesel Gas(in company)

Lt / 100 km

74%

sub

stitu

tion

rate

Lite

rs

*

* Energy equivalence: 1,0L of Diesel 0,9m³ CNG

( MWM 6.10 180HP)

Diesel

CNG

Fuel

cos

ts (R

$)

Econ

omy

-39%

30,0

BRL / 100 km ( @ GNV = 0,9 BRL; Diesel = 1,8 BRL)

24,0 -13%

Diesel Diesel Gas

Operational cost fuel consumption

Diesel Gas(in company)

Diesel

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Operational costDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

Business Case analysis – Public bus for big cities

Assumption:

50%Fuel price relation (diesel/CNG)

60%Substitution rate for city traffic

26 daysOperation per month

2,5 km/lConsumption (in diesel mode)

350 km per dayDistance

23,6 TBRL/year = 29%Saving on fuel

Result:

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Diesel Systems

Project informationBosch investments in the project:• 2 mioEUR• aprox. 25 MY

Partnerships with:• Petrobras/ Cenpes• Diesel Gas International• NETZ • Lactec• White Martins• Environmentality

Next steps:• eDG-Flex for New High-Pressure Electronic Diesel Systems

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Confidential | DS/RP-LA | 6/5/2008 | © Robert Bosch GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to third parties.

Diesel Systems

Thank you for your attention!

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Mortality rate of São Paulo city due to the particulates emission



Diesel Systems

Fonte:Profº Paulo H. do Nascimento SaldivaFaculdade de Medicina - USP

Life expectation:• 1,5 year less than a city without pollution

Mortality• 3.000 deaths/year = 8 deaths/day

Without PROCONVE• 12 a 14 deaths/day

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DG-Flex technology comparisonDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

Better performance

20%... 40% better fuel economy

Installed and removed as a kit

Keeps Diesel engine integrity

Diesel original mode present

Advantages

DG-Flex versus Diesel Ottolized for CNG

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eDG-FlexDG-Flex (Diesel Gas System – Bosch)


Diesel Systems

* includes lock off valve and cylinder pressure sensor

01 – Pressur Regulator *02 – Boost Pressure &

TemperatureSensor

03 – Throttle Valve04 – Boost Actuator05 – Lambda Sensor06 – Gas ECU07 – Diesel ECU08 – Gas Cylinder09 – Engine Speed

Sensor10 – Accelerator Pedal11 – Gas Injector12 – Knock Sensor13 – Coolant

TemperatureSensor

14 – Diesel Injector15 – Phase Sensor16 – High Pressure

Pump17 – Diesel Common

Rail18 – Fuel Filter19 – Oxidation Catalyst20 – Diesel Fuel Tank21 – Gas Pressure &

TemperatureSensor

NGV DG Flex Bosch

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