What does the vvt in the car stand for?

The VVT marked on the automobile indicates that the automobile engine adopts variable valve timing technology (vvt).

VVT technology has a history of more than 30 years. 1980, AlfaRomeo used VVT technology for the first time. Honda, 1989, used VVT technology with variable valve lift for the first time; Bmw, at 200 1, used VVT technology to replace the traditional throttle for the first time.

The VVT of Korean cars is based on the VVT-I of Toyota in Japan and the VTEC technology of Honda. However, compared with Toyota's VVT-I variable timing valve technology, VVT is only a variable valve technology and lacks timing technology, so VVT engine is indeed more fuel-efficient than ordinary engines, but not as fuel-efficient as Toyota and Honda cars of Japanese cars.

BMW has adopted this technology in the previous generation engines, such as Honda's VTEC, i-VTEC,; Toyota's vvt-I; Nissan's CVVT；; ; Mivik; Mitsubishi; Suzuki's VVT；; ; Modern VVT；; ; Kia's CVVT；; ; VVT； Jianghuai; The VVT of the Great Wall has gradually begun to be used. Generally speaking, it is actually a technology with different names.