Biodiesel (noun)

1. A fuel made from vegetable oils or animal fats, used as an alternative to diesel fuel made from petroleum.
2. Diesel fuel made from renewable resources such as vegetable oils, animal fats or algae.

Origin:

1990s: from bio- "life" + diesel.

Examples:

1. The truck runs on biodiesel fuel.
2. Biodiesel is a cleaner burning fuel than traditional diesel.
3. The biodiesel is made from recycled cooking oil.
4. Biodiesel reduces greenhouse gas emissions.
5. The biodiesel is more environmentally friendly than traditional diesel.