Toyota’s Initiatives for Realizing Sustainable Mobility August 28, 2008 August 28, 2008 Toyota Motor Corporation Toyota Motor Corporation 1
Executive Vice President Executive Vice President Masatami Takimoto Masatami Takimoto 2
Recognizing Challenges １ ． １ １ ． ． Reducing Oil Consumption Reducing Oil Consumption Reducing Oil Consumption and Promoting Wide Use of Alternative Energies and Promoting Wide Use of Alternative Energies and Promoting Wide Use of Alternative Energies ２ ． ２ ． ２ ． Reducing CO 2 （ ） Reducing CO 2 （ for preventing global warming ） Reducing CO 2 （ for preventing global warming ） for preventing global warming ３ ． ３ ． ３ ． Prevention of Air Pollution Prevention of Air Pollution Prevention of Air Pollution 3
Initiatives for Reducing Size and Weight of Vehicles 【 【 Six methods by which world’s most Six methods by which world’s most compact vehicle was achieved 】 compact vehicle was achieved 】 Differential gear reverse placement Center take-off gearbox Differential gear reverse placement Center take-off gearbox Placement of ultra-thin fuel tank under floor Slimmed seat backs Placement of ultra-thin fuel tank under floor Slimmed seat backs Compact air conditioning unit Asymmetric installment panel Compact air conditioning unit Asymmetric installment panel Size and weight reduction is crucial to energy conservation and Size and weight reduction is crucial to energy conservation and Size and weight reduction is crucial to energy conservation and lower CO 2 lower CO emissions 2 emissions lower CO 2 emissions 4
Advanced Gasoline Engine Technology Complete upgrading all of engine series from L3 1.0 ℓ Complete upgrading all of engine series from L3 1.0 ℓ through V8 through V8 Newly- Newly- L4 L4 developed developed 1.8 ℓ 1.8 ℓ L3 L3 L4 L4 2.0 ℓ 2.0 ℓ 1.0 ℓ 1.0 ℓ 1.3 ℓ 1.3 ℓ Valvematic Valvematic New Start & New Start & system system Stop system Stop system Newly- V6 Newly- V6 V8 V8 2.5 ℓ 2.5 ℓ developed developed 4.6 ℓ 4.6 ℓ 3.0 ℓ 3.0 ℓ L4 L4 5.0 ℓ 5.0 ℓ 2.5 ℓ 3.5 ℓ 2.5 ℓ 3.5 ℓ 5.7 ℓ 5.7 ℓ 2.7 ℓ 4.0 ℓ 2.7 ℓ 4.0 ℓ - Promote and expand Promote and expand valvematic valvematic system and new start & stop system system and new start & stop system - - Promote and expand valvematic system and new start & stop system - Add variations of fuel Add variations of fuel- -efficient engines efficient engines - - Add variations of fuel-efficient engines 5
Advanced Gasoline Engine Technology ＜ Improvement of fuel efficiency ＞ ＜ Weight reduction ＞ ＜ Improvement of fuel efficiency ＞ ＜ Weight reduction ＞ ■ Engine weight comparison （ ■ Engine weight comparison （ new-former) new-former) 5.0 ） Achieved improvement in fuel efficiency kg/kW/ ℓ class 4.0 ℓ class 3.0 ℓ by introducing new engines 4.0 Reduced Weight comparison by output （ weight by using ■ Fuel efficiency comparison （ new-former ） ■ Fuel efficiency comparison （ new-former ） 3.0 aluminum 2.0 ℓ class ） 25 km/ ℓ material, and 1.0 ℓ class V i t z 2.0 modularized 15mode driving （ parts. 1.0 20 0.0 former new former new former new former new N o a h 15 1SZ-FE 1KR-FE 1AZ-FSE 3ZR-FAE 2JZ-FSE 2GR-FSE 3UZ-FE 1UR-FSE C r o w n engine Fuel Economy 10 ・ E s t i m a ＜ Improvement of performance ＞ ＜ Improvement of performance ＞ 10 ） kW/ ℓ 70 Performance Output comparison （ improved by 5 introducing 60 D-4S, high compression new new new new former former former former ratio, and 50 1 S Z - F E 1 K R - F E 1 A Z - F S E 3 Z R - F A E 1 J Z - G E 4 G R - F S E 1 M Z - F E 2 G R - F E lowering Engine friction. ‘90 ’95 ‘00 ‘05 ’08 （ year ） Achieved improvement in fuel efficiency and in performance, Achieved improvement in fuel efficiency and in performance, Achieved improvement in fuel efficiency and in performance, and reducing weight at the same time and reducing weight at the same time and reducing weight at the same time 6
Diesel Engines Lineup 1.4 liter 1.6 liter class 2.0-2.2 liter 2.5-3.0 liter V8 4.5 liter Debut scheduled Debut scheduled in 2012 in 2012 Production Volume of Diesel Engines Million units 12 Total number Total number 10 of production of production 8 volume has volume has 6 reached reached 4 20 million 20 million 2 0 2001 2002 2003 2004 2005 2006 Wide variation lineup and production volume of Diesel Engines Wide variation lineup and production volume of Diesel Engines Wide variation lineup and production volume of Diesel Engines 7
Encouraging “Eco Driving” Eco Driving Indicator Eco Driving Indicator Mome ｎ tary Instantaneous fuel Instantaneous fuel FE 11.4km/L consumption display consumption display Ｅ Ｃ Ｏ Eco drive status indicator Eco drive status indicator New Eco Driving Support System New Eco Driving Support System Eco Driving Mode Switch Eco Driving Mode Switch - Environmentally considerate driving - Environmentally considerate driving - Safe driving - Safe driving External environment -Environmental ＜ Examples of Eco Driving ＞ ＜ Examples of Eco Driving ＞ evaluation - Safety ● Avoid sudden acceleration ● Avoid sudden acceleration Vehicle Vehicle evaluation ● Set higher temperature in summer ● Set higher temperature in summer - Advice notification ● Set lower temperature in winter ● Set lower temperature in winter Driver Driver -Point assignment Eco Driving Mode Switch Advice Advice ⇒ reduced CO ” ⇒ Encouraging “eco driving” ⇒ reduced CO 2 emissions volume Encouraging “ “eco driving eco driving” reduced CO 2 emissions volume Encouraging 2 emissions volume 8
Environmental Superiority of Hybrid Vehicles (HV) Large Gasoline Gasoline CO 2 Emission (g/km) Diesel Diesel Gasoline HV Gasoline HV LS600h LS600h RX400h RX400h GS450h GS450h Camry HV Camry HV Prius Prius Heavy Vehicle Weight (ton) EC mode HVs contribute to reduced CO contribute to reduced CO 2 emissions HVs 2 emissions HVs contribute to reduced CO 2 emissions 9
Expansion of HV Introduction (10 thousand ） Annual sales of Toyota HV （ world wide ） (10 thousand ） Annual sales of Toyota HV （ world wide ） 1 0 0 1 0 0 9 0 9 0 8 0 8 0 7 0 7 0 6 0 6 0 5 0 5 0 4 0 4 0 3 0 3 0 2 0 2 0 1 0 1 0 0 0 ’ 9 7 ’ 9 ’ 9 8 ’ 9 ’ 9 9 ’ 0 ’ 0 0 ’ 0 ’ 0 1 ’ 0 ’ 0 2 ’ 0 ’ 0 3 ’ 0 ’ 0 4 ’ 0 ’ 0 5 ’ 0 ’ 0 6 ’ 0 ’ 0 7 ’ 0 ’ 0 8 ’ 0 ’ 0 9 ’ 9 7 8 9 0 1 2 3 4 5 6 7 8 9 ( year ） ( year ） Accelerate introducing hybrid models to meet market demand Accelerate introducing hybrid models to meet market demand Accelerate introducing hybrid models to meet market demand 10
Evolution of Electric Motors for Hybrid Vehicles ’ 97 Prius ’ 03 Prius ’ 05 RX400h ’ 06 GS450h ’ 07 LS600h 33 kW 50 kW 123 kW 147 kW 165 kW Output density ratio Output density ratio 6 6 5 5 4 4 3 3 2 2 1 1 Permanent Magnet Motor Permanent Magnet Motor Technology Technology Increasing voltage Increasing voltage Increasing speed Increasing speed Two-stage motor speed Two-stage motor speed reduction gear reduction gear Reducing size and weight by increasing output density Reducing size and weight by increasing output density Reducing size and weight by increasing output density 11
Evolution of Inverter for Hybrid Vehicles ’ 97 Prius ’ 03 Prius ’ 05 RX400h ’ 06 GS450h ’ 07 LS600h Output density ratio Output density ratio 5 5 4 4 3 3 2 2 1 1 Technology Technology Optimizing placement of parts Optimizing placement of parts Integrating the intelligent power module Integrating the intelligent power module Improving cooling capability Improving cooling capability Reducing size and weight by increasing output density Reducing size and weight by increasing output density Reducing size and weight by increasing output density 12
Evolution of Batteries for Hybrid Vehicles Lighter RX400h ’ 03 Prius ( Square plastic package ) ( Square plastic package ) ( Square metal package ) ( Square metal package ) Mass output density (W/kg) Mass output density (W/kg) 35% 35% Improvement Improvement 30% 30% Improvement Improvement ’ 00 Prius ( Square resin package ) ( Square resin package ) ’ 97 Prius (Cylindrical) (Cylindrical) Smaller 0 Volume output density (W/ ℓ Volume output density (W/ ℓ ) ) Decreasing size and weight by increasing output density Decreasing size and weight by increasing output density Decreasing size and weight by increasing output density 13
Evolution of Cost Reduction of Hybrid Vehicles Achieved ½ cost HV System Cost HV System Cost reduction Continue further cost reduction First Prius 2nd Prius Next Prius Realized to cut HV system cost in half over the 1 st st Prius - Realized to cut HV system cost in half over the 1 Prius - - Realized to cut HV system cost in half over the 1 st Prius - Continue to work for further reduction - Continue to work for further reduction - Continue to work for further reduction 14
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