Toyota’s LPG Injected HiaceToyota’s LPG Injected Hiace

Background SummaryBackground Summary

Developed in response to Toyota’s Developed in response to Toyota’s Product Planning Division and achieved Product Planning Division and achieved Board approval Aug ‘03Board approval Aug ‘03Technical development was provided by Technical development was provided by cooperation between Apollo Gas cooperation between Apollo Gas Products and Toyota Australia .Products and Toyota Australia .The LPG system used is the Landi The LPG system used is the Landi Renzo (Italy) sequential vapour injection Renzo (Italy) sequential vapour injection system (Omegas).system (Omegas).

The Omegas ComponentsThe Omegas Components

ECU

Regulator

Vapour filter

Fuel rail and injectors

Description of operationDescription of operationLiquid LPG

Hot engine coolant

Gas vapour

Standard System FeaturesStandard System FeaturesSequential Multipoint Gaseous InjectionSequential Multipoint Gaseous Injection–– Improved fuel control providing better emissions, Improved fuel control providing better emissions,

drivability and fuel economydrivability and fuel economy–– No backfiresNo backfires–– Exhaust gas temperatures controlled to maintain Exhaust gas temperatures controlled to maintain

component integrity.component integrity.

Gas Injector Fuel Rail Installation on manifold

Standard FeaturesStandard Features

LPG Tank positioned under floor LPG Tank positioned under floor ––manifolded twin cylinders, 64 liters of manifolded twin cylinders, 64 liters of usable LPG.usable LPG.

LPG Manifold TankLPG Manifold Tank LPG Manifold Tank with stone shieldLPG Manifold Tank with stone shield

Standard FeaturesStandard FeaturesStarts on petrol and changes Starts on petrol and changes automatically to LPG when coolant is > automatically to LPG when coolant is > 4040ooC and rpm >1100.C and rpm >1100.Auto switch back to petrol when LPG is Auto switch back to petrol when LPG is empty empty –– (this feature can be turned off).(this feature can be turned off).Emergency gas start capability.Emergency gas start capability.

Fuel Switch

Optional Features for FleetsOptional Features for Fleets

Forced LPG operationForced LPG operationStarts on petrol and changes automatically to Starts on petrol and changes automatically to LPG when coolant is > 40LPG when coolant is > 40ooC and rpm >1100.C and rpm >1100.Fuel switch replaced with fuel indicator panel Fuel switch replaced with fuel indicator panel and gaugeand gaugeAlways runs on LPG, no switch back to petrol, Always runs on LPG, no switch back to petrol, cannot select petrol.cannot select petrol.

Fuel Indicator Panel

Standard FeaturesStandard Features

LPG System integrated into vehicle OBD LPG System integrated into vehicle OBD system.system.No tuning required by installer as it has full No tuning required by installer as it has full electronic control using both OEM and LPG electronic control using both OEM and LPG ECU’s.ECU’s.OEM standard PlugOEM standard Plug--nn--Play wiring harnessPlay wiring harness

Features Features –– continuedcontinuedStandard switch option Standard switch option –– Uses original dash fuel gauge for both Uses original dash fuel gauge for both

petrol & LPG fuel levelspetrol & LPG fuel levelsFleet option Fleet option -- Forced LPG operationForced LPG operation–– Uses original dash fuel gauge for petrol Uses original dash fuel gauge for petrol

and separate fuel gauge for LPG and separate fuel gauge for LPG integrated with fuel indicator panelintegrated with fuel indicator panel

Filler position in original fuel Filler position in original fuel fill pocketfill pocket

Features Features –– continuedcontinued

Full TMCA warrantyFull TMCA warrantyAustralian Design Rule compliant for 2005Australian Design Rule compliant for 2005–– Exceeds emissions requirements and passes Euro 4 limitsExceeds emissions requirements and passes Euro 4 limits

Proven engine and vehicle durability.Proven engine and vehicle durability.–– Completing 2 x 80,000 km of on road testing and 1 x Completing 2 x 80,000 km of on road testing and 1 x

160,000 km on road test. 160,000 km on road test. –– Vibration rig testing of componentsVibration rig testing of components–– Dyne testing Dyne testing

Compatible with tow bar fitment.Compatible with tow bar fitment.Compatible with ABS optionCompatible with ABS option10,000 km service intervals in line with OEM 10,000 km service intervals in line with OEM service intervalsservice intervals

Fuel EconomyFuel Economy550N 550N 2TR2TR--FE, FE, LPG LPG EngineEngine

Tank Tank CapacitCapacity Litresy Litres

ADR 81/01 ADR 81/01 Dyne Dyne results results ––lt/100 kmlt/100 km

Range Range -- kmkm

Real World Real World –– Unladen Unladen ––lt/100 kmlt/100 km

Range Range -- kmkm

Real Real World World –– At At GVM GVM (3227 kg) (3227 kg) –– lt/100 lt/100 kmkm

Range Range -- kmkm

LWB LWB ManualManual 64 lt64 lt 15.915.9 403403 14.414.4 444444 17.617.6 363363

LWB LWB AutoAuto 64 lt64 lt 16.316.3 392392 14.1 14.1 454454 17.717.7 360360

SLWB SLWB ManualManual 64 lt64 lt 16.716.7 383383 14.714.7 435435 18.218.2 352352

SLWB SLWB AutoAuto 64 lt64 lt 17.217.2 371371 14.814.8 432432 18.318.3 350350

Note : “Real World” fuel economy figures are based on actual driving figures gathered during the test and development phase and are to be used as a rough gauge only. ADR 81/01 figures are for official publication.

Independent vehicle reviewIndependent vehicle review

Power & TorquePower & Torque

550N 550N –– 2TR2TR--FE FE ManualManual

Power (kW) at the Power (kW) at the rear wheelsrear wheels

Torque (Nm) at Torque (Nm) at the rear wheelsthe rear wheels

LWB Manual VanLWB Manual Van0 0 ––100 km/h 100 km/h

(sec)(sec)

550N on Petrol550N on Petrol 81.5 kW @ 4300 81.5 kW @ 4300 rpmrpm

200 Nm @ 3500 200 Nm @ 3500 rpmrpm 11.311.3

550N on LPG550N on LPG 80.5 kW @ 4600 80.5 kW @ 4600 rpmrpm

200 Nm @ 3300 200 Nm @ 3300 rpmrpm 11.611.6

Note – measured on a Dyno Dynamics chassis dyne

EmissionsEmissionsLPG system produces low emissions LPG system produces low emissions and passes Euro 4 limits by a significant and passes Euro 4 limits by a significant margin.margin.

Possible percentage improvement of Possible percentage improvement of LPG emissions over petrol Hiace, LPG emissions over petrol Hiace, dependant on variantdependant on variant–– Up to 52 % reduction in COUp to 52 % reduction in CO–– Up to 75 % reduction in HCUp to 75 % reduction in HC–– Up to 77 % reduction in NoxUp to 77 % reduction in Nox–– Up to 8 % reduction in CO2Up to 8 % reduction in CO2

DrivabilityDrivability

LPG system designed to provide drivability LPG system designed to provide drivability on par with the petrol system.on par with the petrol system.Smooth change over of fuels.Smooth change over of fuels.No starting issues (starts on petrol)No starting issues (starts on petrol)

Benefits of LPG HiaceBenefits of LPG HiaceEmissions improvementEmissions improvement–– Can promote better than Euro 4 levels Can promote better than Euro 4 levels –– Lower CO, which is a toxin readily absorbed into the bloodLower CO, which is a toxin readily absorbed into the blood–– Lower HC, which are toxic.Lower HC, which are toxic.–– Lower Nox, which is a smog causing gasLower Nox, which is a smog causing gas–– Lower CO2, which is a greenhouse gasLower CO2, which is a greenhouse gas–– No particulates unlike diesel emissions which are No particulates unlike diesel emissions which are

carcinogenic.carcinogenic.

Performance near petrol levels, only 1.2 % reduction Performance near petrol levels, only 1.2 % reduction in max power and 0% reduction in max torquein max power and 0% reduction in max torqueImproved fuel consumption, reduction of 10% over Improved fuel consumption, reduction of 10% over older conventional LPG systemsolder conventional LPG systems