Environmental Engineering Reference
In-Depth Information
Table 1.4 Comparison of Prius and Civic hybrids (MY2010)
Comparison
Honda Civic Sedan
Toyota Prius Sedan
Base price (MSRP)
$26,850
$26,200
Fuel economy - city
40
51
Fuel economy - highway
45
48
Warranty: Powertrain months
Powertrain miles
36
36,000
60
60,000
Engine # cylinders
4
4
Driveline
Front wheel drive
Front wheel drive
Engine displacement (cc)
1,339
1,798
Valve configuration
SOHC
DOHC
Engine horsepower at rpm
110 at 6,000
98 at 5,200
Engine torque (Nm) atrpm
123 at 1,000
?
2,500
144 at 4,000
Electric motor
15 kW (20 hp) 103 Nm
650 V
max
, 60 kW (80 hp)
207 Nm
Battery
NiMH 158 V, 5.5 Ah,
NiMH 201.6 V, 6.5 Ah, 44 kg
Hybrid warranty
8 year/100 000 mi
8 year/100 000 mi
CVT ratio drive/(Rev)
2.526
?
0.421
(4.511
?
1.875)
eCVT
k
= 2.60
Final drive
4.94
4.11
Fuel system
Multipoint injected
Multipoint injected
Emissions
AT PZEV
AT PZEV
Brakes - front
- rear
Disc
Drum
Disc
Drum
Steering
Rack and pinion
Rack and pinion
Climate control
Standard
Standard
Curb weight (lbs)
2,877
3,042
Passenger compartment
volume (ft
3
)
90.9
93.7
Cargo volume (ft
3
)
10.4
21.6
Headroom (in)
39.4
38.6
15
00
alloy
P195/65R15 89S
15
00
alloy
P195/65R15
Wheels and tyres
Fuel tank capacity (gallons)
12.3
11.9
pick-up trucks. Ford Motor Co. announced its hybrid Escape SUV at the 2000 Los
Angeles auto show. The hybrid Escape powertrain, derived from earlier work by
Volvo Car Company and Aisen Warner transmissions [6], requires an electric M/G
and a starter-alternator (S/A). The powertrain on the hybrid Escape is a version of
power split similar to that employed in the Toyota Prius. Figure 1.7 shows the
hybrid Escape SUV that went into mass production in mid-2004 and is now in its
second generation, and the Mariner hybrid was introduced in 2005.
The Escape claims a fuel economy of 40 mpg city driving from its 2.3 L
Atkinson I4 engine augmented with a 65 kWM/G and 28 kW S/A powertrain. Some
of the fuel economy will be evident on highway driving because the Atkinson cycle
(late intake valve opening) delivers approximately 10% higher economy than nor-
mally aspirated ICEs. Operating from a 275 V NiMH advanced battery pack capable
