Mazda 2013 Annual Report Download - page 14

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skyactiv-body skyactiv-chassis
skyactiv-D
skyactiv-Drive
skyactiv-g
SKYACTIV-MT
Special Feature: SKYACTIV MAKES US DIFFERENT
Thoroughly Refined Base Technologies
Why base technologies?
We anticipate that petroleum resources will still be the main
energy and internal combustion engines the main drive technol-
ogy in the global automobile market in 2020. We are therefore
pursuing a Building Block Strategy of improving the base tech-
nologies for a car’s basic performance, and gradually adding
electric devices such as regenerative braking and hybrid sys-
tems. Our approach is to effectively reduce CO2 emissions by
providing all customers with driving pleasure and outstanding
environmental and safety performance, rather than to rely heav-
ily on a subset of environmentally friendly vehicles. Improving
the efficiency of the internal combustion engines upon which
cars are based, for example, allows for smaller electric devices
like motors and batteries in hybrid vehicles as well. This approach
will make it possible to achieve Mazda’s driving pleasure in
hybrid vehicles.
Three main technologies to achieve drastic improvements in functionality
Mazda has named the breakthrough new-generation technol-
ogy being developed under the Building Block Strategy
SKYACTIV TECHNOLOGY, and this technology is successively
being incorporated into new products sold from 201 1 onward.
The following are the three main technologies that hold pos-
sibilities for drastic improvements in functionality that will
translate directly to driving pleasure.
1 Pursuing ideal combustion with highly
efficient engines that achieve world-beating
compression ratios
Mazda is focusing on the 70–80% of energy created by the
engine that is lost before reaching the wheels as power. By
pursuing ideal combustion, we have increased efficiency and
made significant advances in fuel efficiency, power, exhaust
functions, etc.
2 Pursuing ideal energy transfer with highly
efficient transmissions
The transmission not only improves fuel economy, it also has a
major influence on the car’s performance. In the pursuit of ideal
energy transfer, Mazda has developed transmissions that maxi-
mize engine performance by efficiently transmitting energy to
the wheels and responding to the driver’s intentions.
3 Pursuing ideal structure with a body and
chassis that are lightweight yet rigid with
outstanding crash safety performance
Reducing the weight of a vehicle not only improves fuel economy,
it also dramatically improves the car’s basic functions of “driving,
turning, and stopping.” In the pursuit of an ideal body structure,
Mazda has applied new construction methods and replaced
materials used for comprehensive weight reduction while main-
taining high rigidity and crash safety with a lighter body weight.
A new-generation highly efficient direct-injec-
tion gasoline engine that achieves the world’s
highest gasoline engine
compression ratio and
improves fuel efficiency
and low- to mid-speed
torque by 15%*
* The 15% improvement in fuel efficiency and torque was calculated by comparing SKYACTIV-G to Mazda’s current gasoline engine. Compression ratio, fuel economy and torque vary
according to market, carline and transmission.
A new-generation highly efficient automatic
transmission that achieves excellent torque trans-
fer efficiency through
a wider lock-up range
and features the best
attributes of all trans-
mission types
Excellent rigidity supporting Mazda’s fun-to-
drive feel, with a lightweight body to achieve
outstanding crash
safety performance
With the world’s lowest diesel-engine compres-
sion ratio, this clean, highly efficient diesel
engine will comply with
strict exhaust gas regu-
lations globally without
the aid of expensive NOx
(nitrogen oxides) after-
treatment systems
A new-generation manual transmission with a
light shift feel, compact size, and significantly
reduced weight
Lightweight chassis has improved comfort
and security, while at the same time deliver-
ing Mazda’s hallmark
fun-to-drive feel
Driving pleasure and outstanding environmental and safety performance — revolutionary technologies
that simultaneously achieve both of these apparently contradictory objectives without compromise
Mazda Annual Report 2013
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