Variable Valve Timing-intelligent (VVT-i) technology - around which this winning engine is based - controls the intake valves, closing them sooner at low engine speeds to reduce knocking, and leaves them open at high speeds to reduce pumping losses to the cylinder. Toyota's VVT-i technology can also vary the valve timing along a 60-degree continuum, providing the optimal amount of air, providing efficient combustion at all engine speeds.
Toyota is not only a leader in developing fuel-efficient engines. It has also developed a high-tech hybrid engine system - the Toyota Hybrid System (THS) - which combines petrol and self-charging electric technology. Toyota has successfully put this system into practice with its Prius model, launched in Japan in 1998, with the second generation launched in Europe in Autumn 2000. Prius took the prize in the "Best Eco-friendly" category in 1999 awards, and the jury awarded Prius top prize in this category again in 2000.
"At Toyota we have focused our engines on the future. We have developed engines that reduce harmful emissions into our atmosphere and improve vehicle fuel efficiency, while making certain to continue to provide our customers with both comfort and driving pleasure".
"We feel that our engine technology is one of our greatest assets. The diversity and quality they display is a good representation of what our technical, engineering and design staff have worked hard to achieve. Winning the Engine of the Year award further confirms the industry's recognition of our efforts, and makes us feel very proud."
"In the end," continued Mr. Nakagawa, "the enthusiasm and satisfaction of our customers are the real judges of the quality of what we produce".