TABLE 3–1 Fuel Comsumption Technology Matrix—Passenger Cars

 

Fuel Consumption Improvement %

Retail Price Equivalent (RPE) ($)

Subcompact

Compact

Midsize

Large

Baseline: overhead cams, 4-valve, fixed timing, roller finger follower.

Low

High

1

2

3

1

2

3

1

2

3

1

2

3

Production-intent engine technology

Engine friction reduction

1–5

35

140

x

x

x

x

x

x

x

x

x

x

x

x

Low-friction lubricants

1

8

11

x

x

x

x

x

x

x

x

x

x

x

x

Multivalve, overhead camshaft (2-V vs. 4-V)

2–5

105

140

 

Variable valve timing

2–3

35

140

x

x

x

x

x

x

x

x

x

x

x

x

Variable valve lift and timing

1–2

70

210

 

x

x

 

x

x

 

x

x

 

x

x

Cylinder deactivation

3–6

112

252

 

x

 

Engine accessory improvement

1–2

84

112

x

x

x

x

x

x

x

x

x

x

x

x

Engine supercharging and downsizing

5–7

350

560

 

x

 

x

Production-intent transmission technology

Five-speed automatic transmission

2–3

70

154

 

x

 

x

 

x

x

x

x

 

Continuously variable transmission

4–8

140

350

 

x

x

 

x

 

x

 

x

 

x

Automatic transmission w/aggressive shift logic

1–3

70

x

 

x

 

x

 

x

 

Six-speed automatic transmission

1–2

140

280

 

x

 

x

x

 

Production-intent vehicle technology

Aero drag reduction

1–2

140

 

x

x

 

x

x

 

x

x

Improved rolling resistance

1–1.5

14

56

x

x

x

x

x

x

x

x

x

x

x

x

Safety technology

Safety weight increase

-3 to -4

0

0

x

x

x

x

x

x

x

x

x

x

x

x

Emerging engine technology

Intake valve throttling

3–6

210

420

 

x

 

 

x

 

 

x

 

 

x

 

Camless valve actuation

5–10

280

560

 

 

x

 

 

x

 

 

x

 

 

x

Variable compression ratio

2–6

210

490

 

 

x

 

 

x

 

 

x

 

 

x

Emerging transmission technology

Automatic shift/manual transmission (AST/AMT)

3–5

70

280

 

x

 

x

 

Advanced CVTs—allows high torque

0–2

350

840

 

x

 

x

Emerging vehicle technology

42-V electrical systems

1–2

70

280

 

x

 

x

 

x

x

 

x

x

Integrated starter/generator (idle off-restart)

4–7

210

350

x

x

 

x

 

x

Electric power steering

1.5–2.5

105

150

x

x

x

x

x

x

Vehicle weight reduction (5%)

3–4

210

350

 

x

   

Note: An x means the technology is applicable to the particular vechicle. Safely weight added (EPA baseline+3.5%) to initial average mileage/consumption values.



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OCR for page 15
TABLE 3–1 Fuel Comsumption Technology Matrix—Passenger Cars   Fuel Consumption Improvement % Retail Price Equivalent (RPE) ($) Subcompact Compact Midsize Large Baseline: overhead cams, 4-valve, fixed timing, roller finger follower. Low High 1 2 3 1 2 3 1 2 3 1 2 3 Production-intent engine technology Engine friction reduction 1–5 35 140 x x x x x x x x x x x x Low-friction lubricants 1 8 11 x x x x x x x x x x x x Multivalve, overhead camshaft (2-V vs. 4-V) 2–5 105 140   Variable valve timing 2–3 35 140 x x x x x x x x x x x x Variable valve lift and timing 1–2 70 210   x x   x x   x x   x x Cylinder deactivation 3–6 112 252   x   Engine accessory improvement 1–2 84 112 x x x x x x x x x x x x Engine supercharging and downsizing 5–7 350 560   x   x Production-intent transmission technology Five-speed automatic transmission 2–3 70 154   x   x   x x x x   Continuously variable transmission 4–8 140 350   x x   x   x   x   x Automatic transmission w/aggressive shift logic 1–3 — 70 x   x   x   x   Six-speed automatic transmission 1–2 140 280   x   x x   Production-intent vehicle technology Aero drag reduction 1–2 — 140   x x   x x   x x Improved rolling resistance 1–1.5 14 56 x x x x x x x x x x x x Safety technology Safety weight increase -3 to -4 0 0 x x x x x x x x x x x x Emerging engine technology Intake valve throttling 3–6 210 420   x     x     x     x   Camless valve actuation 5–10 280 560     x     x     x     x Variable compression ratio 2–6 210 490     x     x     x     x Emerging transmission technology Automatic shift/manual transmission (AST/AMT) 3–5 70 280   x   x   Advanced CVTs—allows high torque 0–2 350 840   x   x Emerging vehicle technology 42-V electrical systems 1–2 70 280   x   x   x x   x x Integrated starter/generator (idle off-restart) 4–7 210 350 x x   x   x Electric power steering 1.5–2.5 105 150 x x x x x x Vehicle weight reduction (5%) 3–4 210 350   x     Note: An x means the technology is applicable to the particular vechicle. Safely weight added (EPA baseline+3.5%) to initial average mileage/consumption values.

OCR for page 15
TABLE 3–2 Fuel Consumption Technology Matrix—SUVs and Minivans Baseline (small SUV): overhead cams, 4- valve, fixed timing, roller finger follower. Fuel Consumption Improvemen (%) Retail Price Equivalent (RPE) ($) Small SUV Mid SUV Large SUV Minivan Baseline (others): 2- valve, fixed timing, roller finger follower. Low High 1 2 3 1 2 3 1 2 3 1 2 3 Production-intent engine technology Engine friction reduction 1–5 35 140 x x x x x x x x x x x x Low-friction lubricants 1 8 11 x x x x x x x x x x x x Multi valve, overhead camshaft (2-V vs. 4-V) 2–5 105 140 x x x x x x x x x x x x Variable valve timing 2–3 35 140 x x x x x x x x x x x x Variable valve lift and timing 1–2 70 210   x x   x x   x x   x x Cylinder deactivation 3–6 112 252   x x   x x   x   Engine accessory improvement 1–2 84 112 x x x x x x x x x x x x Engine supercharging and downsizing 5–7 350 560     x     x     x     x Production-intent transmission technology Five-speed automatic transmission 2–3 70 154 x   x x   x x x x x x Continuously variable transmission 4–8 140 350   x x     x   Automatic transmission w/aggressive shift logic 1–3 0 70 x     x     x x   x     Six-speed automatic transmission 1–2 140 280         x     x x   x x Production-intent vehicle technology Aero drag reduction 1–2 0 140   x x   x x   x x   x x Improved rolling resistance 1–1.5 14 56 x x x x x x x x x x x x Safety technology Safety weight increase -3 to -4 0 0 x x x x x x x x x x x x Emerging engine technology Intake valve throttling 3–6 210 420   x     x     x     x   Camless valve actuation 5–10 280 560   x   x   x   x Variable compression ratio 2–6 210 490     x     x     x     x Emerging transmission technology Automatic shift/manual transmission (AST/AMT) 3–5 70 280   x   x   x x Advanced CVTs—allows higher torque 0–2 350 840   x   Emerging vehicle technology 42-V electrical systems 1–2 70 280   x x   x x   x x   x x Integrated starter/generator (idle off-restart) 4–7 210 350   x x   x x   x x   x x Electric power steering 1.5–2.5 105 150     x   x x   x x   x x Vehicle weight reduction (5%) 3–4 210 350   x   x       NOTE: An x means the technology is applicable to the particular vehicle. Safety weight added (EPA baseline +3.5%) to initial average mileage/consumption values.

OCR for page 15
TABLE 3–3 Fuel Consumption Technology Matrix—Pickup Trucks Baseline: 2-valve, fixed timing, roller finger follower. Fuel Consumption Improvement (%) Retail Price Equivalent (RPE) ($) Small Pickup Large Pickup Low High 1 2 3 1 2 3 Production-intent engine technology Engine friction reduction 1–5 35 140 x x x x x x Low-friction lubricants 1 8 11 x x x x x x Multivalve, overhead camshaft (2-V vs. 4-V) 2–5 105 140 x x x x x x Variable valve timing 2–3 35 140   x x x x x Variable valve lift and timing 1–2 70 210   x x   x x Cylinder deactivation 3–6 112 252 x x   x   Engine accessory improvement 1–2 84 112 x x x x x x Engine supercharging and downsizing 5–7 350 560   x   x x Production-intent transmission technology Five-speed automatic transmission 2–3 70 154 x x   x x x Continuously variable transmission 4-8 140 350   x   Automatic transmission w/aggressive shift logic 1–3 0 70 x   x x   Six-speed automatic transmission 1–2 140 280   x   x x Production-intent vehicle technology Aero drag reduction 1–2 0 140   x x   x x Improved rolling resistance 1–1.5 14 56 x x x x x x Safety technology 5% safety weight increase -3 to -4 0 0 x x x x x x Emerging engine technology Intake valve throttling 3–6 210 420   x   x   Camless valve actuation 5–10 280 560   x   x Variable compression ratio 2–6 210 490   x   x Emerging transmission technology Automatic shift/manual transmission (AST/AMT) 3–5 70 280   x   x Advanced CVTs 0–2 350 840   x   Emerging vehicle technology 42-V electrical systems 1–2 70 280   x x   x x Integrated starter/generator (idle off-restart) 4–7 210 350   x x   x x Electric power steering 1.5–2.5 105 150   x x   x x Vehicle weight reduction (5%) 3–4 210 350       NOTE: An x means the technology is applicable to the particular vechicle. Safely weight added (EPS baseline+3.5%) to initial average mileage/consumption values.

OCR for page 15
TABLE 3–4 Estimated Fuel Consumption (FC), Fuel Economy (FE), and Incremental Costs of Product Development Weight Class Base FE Base FC Base FC w/Safety Weight Average Fuel Economy (mpg) Average Fuel Consumption (gal/100 mi) Average Cumulative Cost($) Path 1 Subcompact 31.3 3.19 3.31 34.7 2.88 465 Compact 30.1 3.32 3.44 33.4 2.99 465 Midsize 27.1 3.69 3.82 30.0 333 465 Large 24.8 4.03 4.17 27.9 358 675 Small SUV 24.1 4.15 4.29 26.7 3.74 465 Mid SUV 21.0 4.76 4.93 25.3 3.96 769 Large SUV 17.2 5.81 6.02 20.7 4.84 769 Minivan 23.0 4.35 4.50 26.5 3.78 587 Pickup—small 23.2 4.31 4.46 27.2 3.68 682 Pickup—large 18.5 5.41 5.59 21.2 4.71 587 Path 2 Subcompact 31.3 3.19 3.31 37.5 2.67 1,018 Compact 30.1 3.32 3.44 36.6 2.73 1,088 Midsize 27.1 3.69 3.82 36.0 2.78 1,642 Large 24.8 4.03 4.17 34.5 2.90 2,167 Small SUV 24.1 4.15 4.29 31.4 3.18 1,543 Mid SUV 21.0 4.76 4.93 30.8 3.25 2,227 Large SUV 17.2 5.81 6.02 24.7 4.05 2,087 Minivan 23.0 4.35 4.50 34.0 2.94 2,227 Pickup—small 23.2 4.31 4.46 34.0 2.94 2,227 Pickup—large 18.5 5.41 5.59 28.2 3.55 2,542 Path3 SubCompact 31.3 3.19 3.31 43.9 2.28 2,055 Compact 30.1 3.32 3.44 42.9 2.33 2,125 Midsize 27.1 3.69 3.82 41.3 2.42 3,175 Large 24.8 4.03 4.17 39.2 255 3,455 Small SUV 24.1 4.15 4.29 36.5 2.74 2580 Mid SUV 21.0 4.76 4.93 34.2 2.92 3578 Large SUV 17.2 5.81 6.02 28.4 3.52 3,235 Minivan 23.0 4.35 4.50 36.6 2.73 2,955 Pickup—small 23.2 4.31 4.46 36.6 2.73 3,298 Pickup—large 18.5 5.41 5.59 29.5 3.39 2,955

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FIGURE 3–4 Subcompact cars. Incremental cost as a function of fuel consumption. FIGURE 3–5 Compact cars. Incremental cost as a function of fuel consumption.

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FIGURE 3–6 Midsize cars. Incremental cost as a function of fuel consumption. FIGURE 3–7 Large cars. Incremental cost as a function of fuel consumption.

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FIGURE 3–8 Small SUVs. Incremental cost as a function of fuel consumption. FIGURE 3–9 Midsize SUVs. Incremental cost as a function of fuel consumption.

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FIGURE 3–10 Large SUVs. Incremental cost as a function of fuel consumption. FIGURE 3–11 Minivans. Incremental cost as a function of fuel consumption.

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FIGURE 3–12 Small pickups. Incremental cost as a function of fuel consumption. FIGURE 3–13 Large pickups. Incremental cost as a function of fuel consumption.