Martin BraggMartin Bragg

Isuzu Truck (UK) LtdIsuzu Truck (UK) Ltd

IsuzuIsuzuCompany Background

• Isuzu Motors Formed in 1911 (Tokyo Shipbuilding & Isuzu Motors Formed in 1911 (Tokyo Shipbuilding & Engineering Company Ltd) Engineering Company Ltd)

• Total vehicle production in excess of 28 millionTotal vehicle production in excess of 28 million

• Over 5.5 million “N-Series” trucks producedOver 5.5 million “N-Series” trucks produced

• Worldwide production circa 700,000Worldwide production circa 700,000 units/annumunits/annum

• 1.4milion Diesel engines produced per year1.4milion Diesel engines produced per year

Isuzu Engine Applications

Isuzu S.E.E ProgramIsuzu S.E.E ProgramImprove efficiency and reduce CO emissions

Make exhaust gases cleaner

Develop clean energy vehicles

Reduce vehicle external noise

Reduce environmental impact substances

Improve recyclability

Reduce air conditioner refrigerants

Reduce VOC in vehicle cabins

ManufacturingManufacturing

Motive Power TechnologyMotive Power Technology

DisposalDisposal

IsuzuIsuzuCompany Background

5 - Main Factories Located in Japan5 - Main Factories Located in Japan96 - Assembly Plants Worldwide96 - Assembly Plants Worldwide

(Combined Area of 8,529,893 sq/m)(Combined Area of 8,529,893 sq/m)

ManufacturingManufacturing

All plants accredited to ISO 14001

Environmental Management

‘Plan for the Global Environment’

‘Plan for the Global Environment’

1993 – 1999 achievements

• Improve fuel economy – 11% reduction

• Clean up emissions - legislation

- idling stop/start

- Particulate filter

• Dual fuel vehicles - CNG/Diesel

‘Plan for the Global Environment’

1993 – 1999 achievements

• Reduce plant waste - 85% reduction

• Energy savings plant -Energy usage -17%

-CO2 emissions -46%

Engines designed for low emissions

Diesel vs. Petrol

CO

Item Diesel Gasoline

Exhaust emissions

NOx - Better

PM - Better

(fuel consumption related) Better -

Others

Noise level - Better

Engine torque Better -

Durability Better -

EURO EMISSION STANDARDS FOR TRUCKS 1990-2009

Emissions by Euro class g/kWh

Carbonmonoxide

Hydrocarbons Nitrogendioxide

Particulatematter

Methane

Euro 0 (1990) 11.2 2.4 14.4 — —

Euro 1 (1993) 4.5 1.1 8.0 0.36 —

Euro 2 (1997) 4.0 1.1 7.0 0.15

Euro 3 (2001) 2.1 0.66 5.0 0.1 1.6

Euro 4 (2006) 1.5 0.46 3.5 0.02 1.1

Euro 5 (2009) 1.5 0.46 2.0 0.02 1.1

Isuzu Truck (UK) LtdIsuzu Truck (UK) Ltd

Grams per Kilowatt Hour

Emission Euro IV Isuzu4JJ3.5t – 6.2t 150bhp

Isuzu 4HK7.5 tonnes 190bhp

Euro V

Nox 3.500 2.760 2.400 2.000

CO 1.500 0.060 0.020 1.500

HC 0.460 0.010 0.000 0.460

PPM 0.020 0.000 0.004 0.020

Two Systems for Euro 4

• SCRSCR

• EGREGR

SCRSCR

Selective Catalytic Reduction

Ad Blue and SCR- most European manufactures requires additive to be

purchased and added to the vehicle. Has weight penalty on some vehicles

Ammonia or Urea used as a reactant

Catalytic converter used to absorb residue

Isuzu’s answer to Euro 4

• Common rail, high pressure, pilot, main & post Common rail, high pressure, pilot, main & post injectioninjection

• Variable nozzle turbocharger Variable nozzle turbocharger

• Exhaust gas recirculation (EGR)Exhaust gas recirculation (EGR)

• Self cleaning diesel particulate defuser (DPD)Self cleaning diesel particulate defuser (DPD)

Diesel Particulate Defuser DPDDiesel Particulate Defuser DPD

Alternative Fuels

• Compressed Natural Gas

• Liquefied Petroleum Gas

• Dimethyl Ethel

• Diesel Hybrid

• Fuel Cell

CNGCNG

Advantages

Zero PM emission

Low NOx emission

Very low CO emission

Disadvantages

Short running distance

Heavy fuel container

LPG

Advantages Disadvantages

Very low emissions Fuel consumption

equivalent to petrol

DMEDME

Advantages DisadvantagesZero PM emission Shorter life

No black smoke No fuel structure

Good economy

Diesel HybridDiesel Hybrid

Advantages DisadvantagesImproved fuel economy Complex system

Low CO2 Emissions High maintenance Reduced emissions for costs

start up and acceleration

Diesel HybridDiesel Hybrid

Diesel HybridDiesel Hybrid

ELECTRIC

• On Board Batteries

• Weight penalties

• May be exempt from type approval

TransmissionTransmission

Easyshift: the Manual gearbox Easyshift: the Manual gearbox that thinks it’s an Automaticthat thinks it’s an Automatic

Easyshift Characteristics (Comparison with A/T)A/T (Torque Converter) Easyshift (Fluid coupling)

Vehicle speed Vehicle speed

Dry type clutch

M/T level

Lock up

up

Fluid coupling operate only for

starting

Tra

nsm

issi

on e

ffic

ienc

y

Tra

nsm

issi

on e

ffic

ienc

y

Lock Up

Transmission Loss

Transmission Loss

A/T

NEES

SpeedlimitersSpeedlimiters

End of Life End of Life ELVELV