TQ, the German force behind some of the lightest and quietest e-bike motors on the market, just took a leap forward – again. Barely weeks after debuting the lightweight HPR60 e-bike drive system, the ...

The 2.0-litre M139-based four-cylinder, paired with an electric motor for a combined system output of over 670bhp in the C63 ...

Was the M276 the best Mercedes-AMG V6? Which cars would use this engine and why was it only around for a few years?