Alternative Fuels

4. ___ fuel made of 85% ethanol.
6. Another disadvantage with 100% biodiesel is that it ___ at 32-40 degrees F.
9. ___ braking captures kinetic energy to recharge it's batteries when slowing.
11. A ___ increases chemical reaction without itself undergoing any permanent chemical change.
12. ___ is also known as liquefied petroleum gas and is colorless and odorless.
13. A type of ___ hybrids use integrated stater/generator system.
14. ___ gas is 90% methane in pipeline form and is the cleanest fuel currently available.

1. ___ are vehicles that have multiple fuel sources, an internal combustion engine and an electric motor.
2. ___ vehicle that can run on gas or blend of ethanol not to exceed 85%.
3. ___ is a renewable resource mare from animal fat, vegetable oil or recycled cooking grease.
5. ___ is NASA's fuel choice for space shuttles.
7. Pure all-___ vehicles need to be plugged into an electrical outlet.
8. ___ is a grain alcohol made from renewable resources, commonly corn.
10. ___ powered vehicles are all electric and use sun panels for recharge.