Volvo 2008 Annual Report Download - page 23

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Engine
Power Electronics
Powertrain Management Unit
Transmission
Electric Motor/
Generator
Energy
storage
tion Equipment scored a success with its
hybrid wheel loader prototype, the fi rst of its
kind in the world. Up to 10% lower fuel con-
sumption is one of the advantages this hybrid
system can offer in the market for construc-
tion equipment.
Volvo Construction Equipment also expects
to be able to develop the hybrid solution so
that also the hydraulic system is hybridized and
thus further reduce fuel consumption – up to
50%. A couple of Volvo CE's key customers
will have the opportunity to test drive the hybrid
wheel loader toward the end of 2009.
Renault Trucks
Tests with hybrid refuse trucks in Lyon shows
that a 15–20% reduction in fuel consumption
and therefore in CO2 emissions can be
achieved by Renault Premium Distribution
Hybrys Tech and its equipment. Renault Pre-
mium Distribution Hybrys Tech is mainly suited
for city distribution and other urban applica-
tions. Production of the new trucks is expected
to begin towards the end of 2009.
Mack Trucks
Mack Trucks has built fi ve diesel electric hybrid
trucks for the U.S. Air Force, including a MACK
Commonality
Short development
times
Volumes of key
components
SHARED HARDWARE
Battery management
unit
Electric architec-
ture, voltage levels
Control system
Motors
Energy storage
Cables and connectors
DC/DC converter
Inverter
One Group-wide technology generates economy of scale
TerraPro Low Entry refuse truck. The trucks
are in operation around the country and pro-
vide signifi cant fuel savings of up to 30%.
There are over 80,000 refuse trucks in oper-
ation in the U.S. and each truck travels as
much as 120,000 kilometers every year, so the
potential fuel savings are substantial. The
hybrid refuse trucks are also quieter than regu-
lar refuse trucks, which adds to an improved
urban environment.
Power Electronics
A global group 2008
19