1. Fuels produced from renewable biological materials, such as plants or animal waste, used as an alternative to fossil fuels.
Usage: Usually used in plural form; Common in environmental and energy discussions

Examples

• Many countries are investing in biofuels to reduce their dependence on oil.
• Ethanol and biodiesel are two common types of biofuels.
• Biofuels can be made from corn, sugarcane, or used cooking oil.
• The government offers tax incentives for companies that produce biofuels.
• Scientists are developing advanced biofuels from algae and waste materials.
• Biofuels help lower greenhouse gas emissions compared to traditional gasoline.