Source : NST 10 October 2012| last updated at 02:08PM
The Toyota brand is synonymous with high quality and stellar performance. In addition, Toyota has always been committed to providing the best technology for a greener future.
Toyota’s participation in the annual International Greentech and Eco Products Exhibition and Conference Malaysia (IGEM) in the past two years was to showcase how everyday driving habits can be revolutionised and how this can shape our future and the quality of our lives. It intends to do the same at this year’s exhibition.
On display at IGEM will be Toyota’s Full Hybrid models the renowned Prius and PRIUS c which were launched earlier this year. The Full Hybrid system, termed Hybrid Synergy Drive, combines the capabilities of the petrol engine and electric motor enabling it to optimise driving performance for maximum fuel efficiency, low emissions and impressive driving pleasure.
The Prius and PRIUS c are designed with an array of technologies that are eco-friendly and will continue to be the benchmark for city cars of the future.
At the heart of the Hybrid Synergy Drive is the Power Split Device. This device, a planetary gear, eliminates the need for transmission components and the usual stepped gearbox. Because of this device, there is also no need for the rev-lurch-rev-lurch of acceleration that is used in any other regular car. The Power Split Device acts as a continuously variable transmission that has a fixed gear ratio.
Toyota’s Prius models have set the benchmark for hybrids across the world and are the long-awaited answer to address the needs of an environmentally conscious society. The Prius is sleek and its lightweight body together and with its components comprising aerodynamic fins, pagoda roof, undercovers and airspats, is one of the reasons the vehicle is so fuel efficient. The sleekness of the vehicle also allows it to have a low drag coefficient figure of 0.25.
The PRIUS c, the stylish compact hybrid is affordable and also the leader of its class in fuel economy. Its aerodynamic design coupled with the Hybrid Synergy Drive system, makes the PRIUS c an agile performer and gives the driver a pleasurable drive.
The Prius and PRIUS c are equipped with a host of advanced technologies including the Atkinson-cycle, a cooled exhaust gas recirculation system, beltless configuration, electric water pump and intake-side Variable Valve Timing with Intelligence (VVT-i) gives the vehicle excellent performance.
The 1.5 litre 1NZ-FXE engine is specially designed to enhance fuel efficiency. It has a maximum output of 54kW per 4,800 rpm and produces a maximum torque of 111Nm (11.3 kg-m) per 4,000 rpm.
The Hybrid Synergy Drive has an intelligent shift that allows the regulation of the petrol engine and electric motor output during different driving conditions to achieve maximum fuel efficiency.
Another excellent feature of the Prius is its drive mode. This mode allows the user to optimise fuel consumption, throttle response and on-board energy usage. The Power mode delivers extra power when you need it, ECO drive mode allows for a fuel efficient drive. The EV mode, which only uses the electric motor, ensures a quiet and emission-free drive. PRIUS c, on the other hand, offers options of ECO and EV modes.
The regenerative braking system converts the vehicle’s kinetic energy into electric energy when decelerating and braking. This electric energy is used to charge the hybrid battery recycling energy which would have been wasted.
A car of the future, the Toyota Prius and PRIUS c has certainly taken responsible driving now made more pleasurable. With its unique design and outstanding green features, it takes driving to a whole new level.
Benefits of the Hybrid Synergy Drive
The Hybrid Synergy Drive has four key benefits – acceleration, fuel efficiency, low emissions and quietness. Here is a look at these benefits:
Acceleration
The full hybrid system provides drivers with satisfying city driving performance, especially in low to middle range speed.
Fuel efficiency
Enhancing fuel efficiency goes far beyond optimising the performance of the hybrid system. It includes various energy-saving technologies, such as an exhaust heat recirculation system and reducing power consumption, developing an efficient air conditioning system, using LED lamps, and so much more.
Low emissions
The Hybrid Synergy Drive, with its high level of fuel efficiency, complies with strict exhaust emission regulations in various countries across the world. It balances optimum performance and minimum harmful emission of harmful substances including carbon dioxide (CO2) and mono-nitrogen oxides (NOx).
Quietness
Both the driver and occupants will enjoy a peaceful ride thanks to the Prius’ silent motor when driven on EV mode. The optimum placements of noise-absorbing, noise-insulating and vibration-damping materials also contribute to the quietness of the cabin.
Read more: Green Technology: When exceptional fuel efficiency, sleek elegance come together - Extras - New Straits Times http://www.nst.com.my/nation/extras/green-technology-when-exceptional-fuel-efficiency-sleek-elegance-come-together-1.155060?cache=ynzfkhhlsup%3Fpage%3D0#ixzz2tZAnBVye
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