1. Biofuel

2. What is Biofuel?
Biofuel is a fuel that is made from biomass (plant material). Biofuel is being heavily researched and refined as it emits significantly less carbon dioxide than fossil fuels.

3. Types of Biofuel - Ethanol
Ethanol (ethyl alcohol) is produced from plants and plant waste, most commonly from sugarcane, corn, and switchgrass. A small amount exists in today’s gasoline to limit emissions released from automobile exhaust systems.

4. Types of Biofuel - Biodiesel
This is a diesel-type fluid that is from vegetable oil extracted from soybeans, rapeseeds, sun flowers, oil palms, and jatropha shrubs. Fuel can also be processed from vegetable oils from restaurants.

5. Advantages and Disadvantages?
Reduced CO2 emissions for some crops
Med. Net energy yield for biodiesel from oil palms
Med. Net energy yield for ethanol from sugar cane
Fuel crops can compete w/ food crops for land & raise food prices
Fuel crops cam be invasive species
Low net energy yield from ethanol and biodiesel from soybeans
Higher CO2 emissions from corn ethanol