an amphibious vehicle known as the "Panther", designed by WaterCar to be lighter with chrome steel, equipped with retractable wheels that can switch from off-road to aquatic mode in just 15 seconds.

At the heart of every amphibious vehicle's functionality lies its ... employ one of two approaches for aquatic propulsion: Retractable wheels and propellers or wheels as propellers.

While the flying car (at least ... On the road, it has all-wheel drive and disc brakes. Gibbs has patents on the technology to make its vehicles watertight with retractable wheels and full ...