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WHY(Developmental Background of the MHS-01)
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Toward the Realization of "Green Logistics" |
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With increasing needs for frequent deliveries in small lots, more than
50% of all goods forwarded in Japan are transported by approximately 9,970,000
commercial trucks. It is very likely that this percentage will continue
to grow. Responding to this trend, the Japanese government has made various
efforts such as the promotion of clean energy vehicles to work toward the
reduction of carbon dioxide and the streamlining of the existing physical
distribution systems. However, no truly effective measures have been devised
for the improvement of fuel consumption of trucks currently in service.
As "physical distribution" has evolved into "logistics,"
the realization of "green logistics" will be one of the most
important challenges in the future.
It was under these circumstances
that Miyama Inc. decided to develop an eco drive navigation system through a
new automotive engineering approach focusing on dynamic analysis of driving conditions
for the reduction of fuel consumption and auto exhaust.
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Differentiation of Transport Companies |
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Since hazardous car emissions have
become a big social issue, the chorus emphasizing the need of promoting
eco-driving is getting louder and louder. Automakers have improved their cars,
introduced environmental equipment, and carried out campaigns for economical
driving.
The Ministry of Land,
Infrastructure and Transport has set basic guidelines in order to encourage
trucking companies to introduce low-emission vehicles and promote
environmentally-friendly driving. Trucking companies are able to set their
goals and evaluate their efforts based on these guidelines.
The Ministry of Land,
Infrastructure and Transport (MLIT) plans to utilize these guidelines when
eco-driving efforts of trucking companies will be rated by a third-party
organization in the future.
In parallel with such
governmental efforts, companies in general, especially those who have obtained
ISO 14000 certifications, have become keen to reduce the effects on the
environment that occur in physical distribution. In addition to their in-house
efforts, they now put great importance on the environmental consciousness of
their business partners and contractors including transport companies.
The
MLIT's guidelines focus on the improvement of hardware aspects such as the
introduction of low-emission cars and adequate maintenance.
Environmentally-friendly physical distribution, however, cannot be realized by
focusing on hardware aspects alone because human factors are very important as
well.
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Limit of Eco Driving Campaigns
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Miyama first carried out an
eco-driving campaign in 1997 when the company asked its truck drivers to avoid
unnecessary engine idling. At that time, we had approximately 200 trucks with
all of them subject to the campaign. In 1999, it developed into a more
comprehensive campaign covering efforts for the prevention of global warming,
and the promotion of economical and safe driving.
As part of this campaign, we held
eco-driving training sessions for our 180 truck drivers. We then measured how
their driving technique and environmental awareness had contributed to the
reduction of fuel consumption. We found out that the eco-driving campaign
brought about visible improvement in fuel economy: an average 2.6% improvement
in 1999, 7.3% in 2000, and 9.7% in 2001 (all compared to fuel economy figures
in 1998).
However, we also discovered that
the improvement of fuel economy varied greatly from driver to driver. While a
number of drivers constantly achieved 10% or more fuel savings, some drivers
showed very little improvement.
We realized the fact that efforts
focusing on human factors seldom bring about uniform results. It was true that
the campaign helped our drivers deepen their understanding of economical,
environmentally-friendly driving. But we were not able to show our drivers any
theoretically well-supported numerical targets.
We concluded that scientifically-based criteria to judge driving practices
and specific numerical indicators were necessary to promote eco-driving
more effectively.
The MHS-01 development project was started to specifically address this
problem. |
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