These hybrid yachts are perfect for the eco-friendly traveler

Even yacht designers are considering ways to make their products more eco-friendly.

Greenline Hybrid is a Slovenian builder of hybrid yachts dedicated to "maximizing your well-being on board" while "paying respect to the environment," according to its website. More recently, Greenline Hybrid unveiled four hybrid yachts at Miami's premier yacht show, Yachts Miami Beach.

Scroll down for a closer look at the yachts: