Tokyo, June 12, 2007 - (JCN Newswire) - Toyota Motor Corporation announced today that it has developed Valvematic*, a variable valve lift mechanism created through combining VVT-i (Variable Valve Timing-intelligent), which continuously controls intake valve opening/closing timing, with a new mechanism that continuously controls the intake valve lift volume.
While conventional engines control air intake using a throttle valve, Valvematic adjusts the volume of air taken in by continuously controlling the intake valve lift volume and timing of valve opening and closing. This ensures optimal performance based on the engine's operational condition, thus helping vehicles achieve both high fuel efficiency and dynamic performance.
In the case of a new 2.0-liter engine developed by Toyota, Valvematic—which further evolves the gasoline engine—improves fuel efficiency by 5% to 10% (depending on driving conditions), reduces CO2 emissions, boosts output by at least 10% and enhances acceleration responsiveness. TMC plans to introduce Valvematic shortly, starting with a new vehicle model featuring a 2.0-liter engine.
TMC positions global environmental preservation and initiatives toward energy diversification as a priority management issue in terms of its corporate social responsibility. As a part of its efforts to reduce CO2 emissions through high fuel efficiency and to achieve cleaner exhaust emissions, TMC plans to completely revamp its gasoline engine and transmission lineup by 2010.
*Coined from "valve train" and "-matic"
About Toyota
Supported by people around the world, Toyota Motor Corporation (TSE: 7203; NYSE: TM), has endeavored since its establishment in 1937 to serve society by creating better products. As of the end of March 2012, Toyota conducts its business worldwide with 50 overseas manufacturing companies in 27 countries and regions. Toyota's vehicles are sold in more than 160 countries and regions. For more information, please visit www.toyota-global.com.
Contact:
Toyota Motor Corporation
Corporate Communications Department
Public Affairs Division
Tel: +81-3-3817-9150
URL: http://www.toyota.co.jp/en/
June 12, 2007
Source: Toyota
Toyota (TSE: 7203) (U.S: TM)
From the Japan Corporate News Network
http://www.japancorp.net
Topic: Press release summary
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