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What is Compressed Natural Gas?
Gaseous fuels like methane
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What are (+) to Compressed Natural Gas?
natural gas is widely available, low emissions compared to gasoline
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What are (-) to Compressed Natural Gas?
The system $$, higher fire risk, natural gas non renewable
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What are Fuel Cells (hydrogen)?
Generate electrical power and convert hydrogen gas and oxygen gas to form water
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What are (+) to Fuel Cells?
no harmful emissions, generate a lot of electrical energy, require no recharging
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What are (-) to Fuel Cells?
$$$, hard to make and transfer pure hydrogen
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What are Hybrid Gas Electric?
Contains gas and electric engines; gas at high speeds and battery at low
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What are (+) to Hybrid Gas?
less gas, less pollution
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What are (-) to Hybrid Gas?
Batteries: $$$ and toxic, still runs on gas
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What is a Pure Electric car?
Runs exclusively on electricity, many in production
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Examples for electric cars
- -Chevy Volt
- -Nissian Leaf
- -Tesla Roadster
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What are (+) to Pure Electric Cars?
Zero Carbon emissions, no fossil fuels, recharge at home, quiet
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What are (-) to Pure Electric cars?
not cheap, drives slow, $$$, recharge time and away from home
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