RACHEL CORMACK

Former Olympian Marc Pajot’s sailing catamaran has 538 square feet of solar panels that lend power to its hybrid diesel engine.

The sleek abode is entirely emissions-free, too.

The 164-footer can be customised entirely to your needs, too.

Willkommen, Bienvenu, Welcome: you’ll soon be able to travel smoothly from one city to the other in just seven hours.

Collecting Cars will hold the aptly named Supercar Sunday sale on 3rd July.

The nearly zero-emissions craft was inspired by the fluidity and dynamism of ocean waves.

The stealth aircraft was built by Lockheed Martin and inspired by two existing designs.

The Nexus sub can run for up to 18 hours straight and dive up to 10 times a day.

The 94-room hotel, which is set to open in 2024, will be completely off-grid and carbon neutral.

To give you an idea, the sky lounge comes with its own self-playing grand piano.