10. Alternative Fuel Sources

Question 1

Ethanol

Answer 1

Ethanol is a renewable, domestically produced alcohol fuel made from plant material, such as corn, sugar cane, or grasses.

Question 2

Biodiesel

Answer 2

Biodiesel is a domestically produced, renewable fuel that can be manufactured from vegetable oils, animal fats, or recycled restaurant grease for use in diesel vehicles.

Question 3

Cellulosic Biofuels

Answer 3

Cellulosic ethanol is a biofuel produced from wood, grasses, or the inedible parts of plants.

Question 4

Algae-based Fuels

Answer 4

Algae-based Fuel is an alternative to fossil fuel that uses algae as its source of natural deposits.

Question 5

Drop-in Fuel

Answer 5

One of the most popular definitions is that drop-in fuels are those renewable fuels, which can be blended with petroleum products, such as gasoline, and utilized in the current infrastructure of pumps, pipelines and other existing equipment.

Question 6

Feedstock

Answer 6

Total biomass inputs to the production of biofuels.

Question 7

Rapeseed

Answer 7

Rapeseed oil is used as diesel fuel, either as biodiesel, straight in heated fuel systems, or blended with petroleum distillates for powering motor vehicles.

Question 8

Jatropha

Answer 8

Its oil seeds offer feedstock for Jet fuel.

Question 9

Energy content

Answer 9

Energy content is the amount of energy produced by a unit of a fuel ; energy/unit (anything)

Question 10

GHG Balance

Answer 10

The balance between emissions of GHG and the removal of the gas from the atmosphere

Question 11

RFS/ RFS 2

Answer 11

Renewable Fuel Standard (RFS) is a USA federal program requiring transportation fuel sold in the U.S. to contain a minimum volume of renewable fuels. The RFS originated with the Energy Policy Act of 2005 and was expanded and extended by the Energy Independence and Security Act of 2007 (EISA).

Question 12

RIN

Answer 12

Renewable Identification Number is a serial number assigned to a batch of biofuel to track its production, use, and trading as required by the RFS

Question 13

Blend Wall

Answer 13

The Renewable Fuel Standard (RFS) has threatened to force petroleum refiners to mix a blend of gasoline that cars can’t use. The threat of the limit is known as the “blend wall”.

Question 14

Food vs. Fuel

Answer 14

Food versus fuel is the dilemma regarding the risk of diverting farmland or crops for biofuels production to the detriment of the food supply.

Question 15

Co-Products

Answer 15

Co-products (which involve similar value to the main product. E.g. bio-fuel and Distillers grains, glycerol), by-products (which result in smaller value. Electricity and heat), and waste products (which provide little or no value)