Enforcement of Ontario and Quebec’s speed limiter laws took full effect July 1 and enforcement officers in Ontario didn’t hesitate to fine drivers who didn’t have their engines locked in at 105 km/h ...

The highest revving production car able to wear a licence plate as of this writing is the Gordon Murray Automotive T.50, which boasts a Cosworth-built V12 engine with a 12,100 rpm redline.

New speed limiter tools set to be rolled out on UK roads this July can “step in” and “limit engine power” if motorists break the rules, according to experts.