Hyundai figured out continuously variable valve duration in a production vehicle (or at least one about to hit production). increase in performance of 4 percent with 5 percent better efficiency, along ...

CVVD optimises both engine performance and fuel efficiency while also being eco-friendly. The valve control technology regulates the duration of valve opening and closing according to driving ...

Technology Increases performance by 4% and fuel efficiency by 5%, and decreases emissions by 12% New engine technology to debut in Smartstream G1.6 T-GDi engine Hyundai Motor Group has developed the ...