Are there any automobile engines that weren't V Line Straight Line Horizontal or Rotary that were or still are used today?

Yes, the W configuration was implemented by the company Bugatti in their Veyron supercar. The 16 cylinder, 64 valve engine used to power the Veyron is similar to two V8s being strapped together at the crank, side by side. Hence the W, as two side by side Vs looks like a W.

"VV.

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