Dim’s fascination with cars began when he was just six. Born into a family of car enthusiasts and racing drivers, he started learning basic mechanics and driving from an early age. While he loves ...

Harry Ricardo built the first known variable compression ratio engine as a test engine in the 1920s to study knock in aircraft engines. Variable compression ratio was achieved by raising or lowering ...

WinGD reports that it completed shop tests of its variable compression ratio (VCR) technology, and the company claims that methane reductions from new X-DF engines with VCR technology deliver similar ...