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Alternative FuelsHybrid Cars

What do you know?

Hybrid Car Quiz

http://auto.howstuffworks.com/hybrid-car-quiz1.htm

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Alternative FuelsHYDROGEN

Hydrogen

• Most abundant element in the universe

• Composes about 75% of the universal elemental mass

• Atomic number 1

• Diatomic gas: H2

• Colorless, odorless and tasteless

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Alternative FuelsHYDROGEN

Hydrogen Internal Combustion Engine

• Hydrogen gas stored in pressurized tank

• Hydrogen burns in a modified ICE

• Power output for Hydrogen is 42% more than gas using carburetors and 20% with injectors

• Combustion formula including nitrogen in the air is

H2 + O2 + N2 = H2O + N2 + NOx

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Alternative FuelsHYDROGENHydrogen Fuel Cells

• Hydrogen can be produced as a by-product, reformation or electrolysis

• Hydrogen can be stored as a gas or liquid

• Hydrogen is reacted with oxygen to electricity

• An electric motor turns the transmission

U-Tube Video: how fuel cells work

http://www.alternative-energy-news.info/technology/hydrogen-fuel/

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Alternative FuelsHYDROGEN

CONS

• Hydrogen is not naturally occurring: it must be produced

• Fuels are expensive

• Fuels currently last 7300 hours2

PROS

• Tue Zero Emission Vehicle

• No operational greenhouse gas emissions

• Very highly efficient

• More energy pound for pound than gasoline : better mileage

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Alternative FuelsHYDROGEN

Fuel Cells

What do you know ?

Fuel Cell Quiz

http://auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell-quiz.htm