MY Ady Gil (formerly Earthrace) was a 78 feet (23.8 m), wave-piercing

Wave-piercing

A wave-piercing boat hull has a very fine bow, with reduced buoyancy in the forward portions.When a wave is encountered, the lack of buoyancy means the hull pierces through the water rather than riding over the top - resulting in a smoother ride than traditional designs, and in diminished stress on...

 trimaran

Trimaran

A trimaran is a multihulled boat consisting of a main hull and two smaller outrigger hulls , attached to the main hull with lateral struts...

, which was originally created as part of a project to break the world record for circumnavigating

Circumnavigation

Circumnavigation – literally, "navigation of a circumference" – refers to travelling all the way around an island, a continent, or the entire planet Earth.- Global circumnavigation :...

 the globe in a powerboat. The vessel was powered by biodiesel

Biodiesel

Biodiesel refers to a vegetable oil- or animal fat-based diesel fuel consisting of long-chain alkyl esters. Biodiesel is typically made by chemically reacting lipids with an alcohol....

 fuel, but was also capable of running on regular diesel fuel. It used other eco-friendly materials, such as vegetable oil lubricants, hemp composites, and non-toxic anti-fouling, and had features such as bilge water filters.

The first attempt at the global circumnavigation record in 2007 was ill-fated.