Tokyo 2005 > Automobiles > Environmental Initiatives  
“Blue Skies for the Children”
Honda is creating next-generation powertrains and revolutionizing environmental efficiency with a wide range of innovative advanced technologies.
Reducing atmospheric CO2 to stem global warming is becoming an increasingly critical issue for the car industry. Improving the fuel efficiency of even one model means many cars will consume less fuel, reducing CO2 emissions in direct proportion to the amount of fuel saved. Our latest intelligent engines, hybrid system and other leading-edge technologies are employed in pursuit of high efficiency beginning at the stage of fuel combustion. This has resulted in dramatic improvements in fuel efficiency,
along with cleaner emissions. To further elevate environmental efficiency in the future, we are also aggressively developing new-generation powertrains for fuel cell electric vehicles and other alternative power transports. Seeking to pass on the joy of mobility and a cleaner environment to the next generation, Honda is committing a wealth of ideas to the creation of new environmental efficiency.
Cleaner engines and increased fuel economy
Intelligent Engines

i-VTEC Series
DOHC i-VTEC (VTEC+VTC)
Intelligent VTEC (Variable Valve Timing and Lift Electronic Control System), achieves both higher power output and improved fuel economy, and, Variable Timing Control (VTC) adds continuous optimal control of intake valve timing in accordance with driving conditions.
Variable Cylinder Management (VCM) System i-VTEC
The system switches between combustion in all six and just three cylinders of a V6 engine, balancing high power output and torque with excellent fuel economy.
Variable Intake System i-VTEC
While delivering ample torque during acceleration, this intelligent VTEC system delays intake valve closure during cruising to control the intake volume of the air-fuel mixture, yielding vastly improved fuel economy.
The Newly Developed 1.8 i-VTEC Engine
Introduced this fall in the new Civic, Honda’s new 1.8-liter i-VTEC engine controls valve timing for maximum intake efficiency during startup and acceleration to achieve powerful, torquey performance, then delays intake valve closure during cruising and other low-load conditions to reduce pumping losses for enhanced fuel economy. Use of this valve timing control system results in off-the-line performance equivalent to that of a 2.0-liter engine and the world’s best fuel economy in the 1.8-liter category.
 


Newly developed 1.8 i-VTEC engine (cutaway model)
i-DSI
i-DSI (Dual & Sequential Ignition)
This intelligent system controls the timing of two sequentially igniting spark plugs per cylinder to achieve faster combustion, resulting in a dramatic improvement in fuel economy.
Emissions Purification Technologies
High-efficiency emissions purification systems
All Honda power trains feature innovative exhaust system technologies and catalytic converters to control pollutants, and achieve exceptionally clean performance.
Honda Hybrid System
1.0l Lean-burn VTEC+IMA
The combination of a lean-burn VTEC engine and the Integrated Motor Assist system achieves phenomenal fuel economy and powerful torque.
3-Stage i-VTEC+IMA
The system switches valve timing and lift between low and high rpm and uses motor assist to obtain torquey performance at all engine speeds. Additionally, cylinder idle mode is used during cruising and deceleration to achieve ultra-low fuel consumption and exceptional recharging efficiency.  


New Honda Hybrid System (3-stage i-VTEC+IMA) cutaway model
Next-Generation Clean Power train Development
Fuel Cell Vehicles
Honda FCX
The fuel cell vehicle generates electricity from a chemical reaction between hydrogen and oxygen and uses it to power a motor, emitting only water as exhaust. Honda delivered the world’s first fuel cell passenger car in December 2002, and we have continued research and development aimed at improving the real-world functionality of fuel cell vehicles. In 2003, we developed a new fuel cell stack, the Honda FC Stack, overcoming the problem of starting up at sub-zero temperatures and significantly extending the fuel cell vehicle’s practical applicability. Then, in June 2005, we leased a fuel cell vehicle to a private individual in the US-another world’s first. From dreams to reality, and from reality to practical use in society- the Honda FCX fuel cell vehicle is progressing step by step towards large-scale commercialization.  


Green Factory Initiative
Honda is working for a better environment through activities at our factories including reducing CO2 through energy savings, achieving zero emissions at more facilities, broadening introduction of ISO 14001, effluent purification, soil conservation, curtailment of the use of noxious chemicals, and prevention of atmospheric pollution.
Promotion of Recycling
Honda plans and implements product recycling for the development stage onward, and seeks to optimize recycling throughout the distribution system. We are recycling plastics from vehicle to vehicle, recovering and reusing parts, and eliminating environmentally harmful materials from all our products.
Coexistence with the Community
Honda is actively engaged with the local communities where we work in helping conserve the environment. We’re developing and fostering environmental activities such as planting trees around our facilities.

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