Toyota has unveiled a new range of fuel-efficient engines that promise to achieve fuel efficiency improvements of at least 10 percent over current vehicles.
One of the new engines is a 1.3-litre petrol, which runs the Atkinson cycle, typically associated with hybrid engines. As Toyota explains, "Use of the Atkinson cycle provides an increased expansion ratio and reduces waste heat through a high compression ratio (13.5), resulting in superior thermal efficiency." This new engine has also been equipped with a distinctive intake port and the carmaker claims it will be 15 percent more frugal than current motors.
The manufacturer also unveiled a 1.0-litre engine jointly-developed with Daihatsu. This engine does not use the Atkinson cycle but is equipped with a similar intake port along with a cooled EGR system and a high compression ratio. All this, along with start/ stop technology and "various other fuel consumption reduction technologies," makes this engine up to 30 percent more fuel-efficient than current models, says Toyota.
Toyota has announced that these engines will be used in upcoming models and is expected to introduce 14 new engine variations by 2015.
Dipan Sur
Viraaj Bhatnagar
Uday Singh
Saptarshi Mondal
