If you require a more in - depth look at how the timing of valve events affects engine performance and emissions, please click on the following link. (mechadyne-int.com)
The i - VTEC varies the intake and exhaust valve events, which enhances performance while still achieving good fuel economy and low emissions. (kbb.com)
Though the actual Valve event at the E3 had been canceled, Gabe Newell took the stage during the Sony press conference as the hinted «surprise» of weeks past. (elder-geek.com)