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[26] MITSUBISHI MOTORS CORPORATION Annual Report 2001
All MMC truck and bus engines have now been fitted with
EGR (exhaust gas re-circulation) systems that further aid
in the cleaning of emissions.
Diesel exhaust emissions
With trucks and buses, MMC is intro-
ducing advanced proprietary combus-
tion technology and common-rail fuel
injection systems to reduce exhaust
emissions and improve fuel consump-
tion. Most of MMC’s truck and bus
engines have now been fitted with EGR
systems that further aid in the clean-
ing of emissions. To gain further reduc-
tions in exhaust emissions, MMC is
continuing R&D into improved combus-
tion chamber and fuel injection designs,
NOx catalysts, and other advanced
technologies such as DPF (diesel par-
ticulate filters).
MEASURES TO REDUCE
ENVIRONMENTAL IMPACT
To reduce their impact on the environ-
ment, MMC passenger cars are fitted
with many specially designed lead-free
components. Such components include
radiator cores, fuel tanks, and harness
and hose parts. In fiscal 2000, MMC in-
troduced new models fitted with lead-
free valve sheets. In trucks, MMC has
successfully developed heater cores
made out of aluminum to further
reduce the use of lead. In addition, all
new models launched by MMC during
fiscal 2000 are virtually free of other
toxic heavy metals such as mercury
and cadmium.
DEVELOPMENT OF CLEAN-ENERGY
VEHICLES
LPG trucks
Trucks powered by LPG (liquefied
petroleum gas) emit less NOx than
diesel-powered counterparts—and no
black smoke. MMC markets a range of
the CANTER trucks featuring LPG-
powered engines with payload capaci-
ties ranging from 1.5 to 3.0 tons.
CNG vehicles
Vehicles powered by CNG (compressed
natural gas) emit considerably less
carbon dioxide than gasoline-powered
counterparts and, do not produce black
smoke, unlike diesel-powered vehicles.
This makes them a viable clean-energy
candidate for the future. MMC is devel-
oping a range of CNG vehicles, from
small commercial trucks to large buses
and other vehicles.
Hybrid electric vehicles
MMC is engaged in the development of
hybrid vehicles that comprise a gasoline
engine with an electric motor powered
by a generator. Such vehicles are capable
of producing very low emissions with
large improvements in fuel economy.
In fiscal 2000, MMC announced that
it had developed a hybrid powertrain
MMC is engaged in the development of
hybrid vehicles...capable of producing very
low emissions with large improvements in
fuel economy.