Mazda 2014 Annual Report Download - page 29

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skyactiv-body skyactiv-chassis
SKYACTIV TECHNOLOGY
CHECK
Newly Developed SKYACTIV-D 1.5
Engine to Power New Mazda2
In the same way as the new-generation
SKYACTIV-D 2.2 clean diesel engine already
installed in the CX-5, the SKYACTIV-D 1.5
achieves ideal combustion through the
adoption of low compression. As a result,
the engine boasts outstanding dynamic
performance, including torque equal to a
2.5-liter gasoline engine and linear accel-
eration all the way up the RPM range. It
also features excellent environmental per-
formance without resorting to expensive
NOx aftertreatment systems.
In achieving gasoline engines with the world’s highest compres-
sion ratio* (14.0) and diesel engines with the world’s lowest
compression ratio* (14.0), Mazda has developed highly efficient
engines that have realized significant advances in fuel efficiency
and power as well as exhaust gas performance. By improving
the efficiency of the base internal combustion engine, we have
been able to reduce the size of electrical devices, such as motors
and batteries, even in hybrid cars, and realized unique, internal
combustion engine-driven
driving pleasure
.
An automatic transmission that brings together the best attri-
butes of all other types of transmission, such as automatic,
manual, and continuously variable, to achieve direct feel, smooth
gear shifts, and fuel economy at low speed. A lightweight and
compact manual transmission that realizes a sports car-like
shift feel to drive how you like. Mazda provides
driving pleasure
by means of ideal transmissions that respond precisely to the
driver’s intention.
While ensuring rigidity and comfort as well as stability, Mazda
has achieved a weight saving of 100kg compared with previous
models by focusing on the body and chassis. Car base innova-
tion is linked to Mazda’s target of the “rider and horse as one.”
A new-generation, highly efficient direct-injection
gasoline engine that achieves the world’s highest
compression ratio (14.0) and improves fuel
efficiency and low- to mid-speed torque by 15%
New-generation, highly efficient,
direct-injection gasoline engine
New-generation, highly efficient,
six-speed automatic transmission
New-generation, lightweight,
high-rigidity body
Featuring the world’s lowest compression ratio
(14.0), this diesel engine complies with strict
exhaust gas regulations globally without the aid
of expensive nitrogen oxide (NOx) aftertreat-
ment systems
New-generation,
highly efficient clean diesel engine
New-generation, highly efficient,
six-speed manual transmission
New-generation, high-performance
lightweight chassis
A new-generation, highly efficient automatic
transmission that brings together the best
attributes of all transmission types
A new-generation manual transmission with a
light shift feel, compact size, and significantly
reduced weight
Excellent rigidity supporting Mazda’s
driving
pleasure
, with a lightweight body to achieve
outstanding crash safety performance
Achieving the “rider and horse as one” roadster-
quality feel, this lightweight chassis has improved
comfort and security, while at the same time
delivering Mazda’s hallmark
driving pleasure
* Compression ratio:
The ratio between the maximum volume of the
combustion chamber A (cylinder + combustion
chamber) when the piston is at the bottom of its
stroke, and the minimum volume B (combustion
chamber only) when the piston is at the top of its
stroke. A compression ratio of 14.0 shows A:B = 14:1,
meaning that the air drawn in is compressed to 1/14th.
Three Main Technologies to Achieve Dramatic Improvements in Functionality
Making you want to drive anywhere.
Platforms that support a stable ride
Transmissions that provide pleasure by
responding precisely to the driver’s intention
Engines that combine breakthrough low-fuel
consumption with car-
driving pleasure
skyactiv-Dskyactiv-g
skyactiv-Drive SKYACTIV-MT
27
Mazda Annual Report 2014
CONTENTS
Review of Operations
Foundations Underpinning
Sustainable Growth
Message from Management
Introduction
Brand Value Management
Financial Section