The new Italdesign GTZero concept, EP Tender's B00 range extender trailer for electric vehicles, and Opel proves three-cylinder engines can still be sexy with their GT Concept. Also see the latest FF Battle winner, check out the new Formula 1 halo cockpit protection system, and see what happens when you pit a Dodge Charger Hellcat versus a Ford Mustang GT350. See them all in our Roundup below.
