Alternative fuel cars
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Alternative fuel cars. I . Cars powered with petroleum. I. 1 Petrol and diesel cars I. 2 LPG and GNV cars II. Alternatives II. 1 Biofuels II. 2 Electric cars II. 3 Hybrid cars and regenerative breaking II. 4 Hydrogen and fuel cell cars II .5 Other projects.

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Alternative fuel cars

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Alternative fuel cars

Alternative fuel cars


I cars powered with petroleum

I. Cars powered with petroleum

I.1 Petrol and diesel cars

I.2 LPG and GNV cars

II. Alternatives

II.1 Biofuels

II.2 Electric cars

II.3 Hybrid cars and regenerative breaking

II.4 Hydrogen and fuel cell cars

II.5 Other projects


1 gasoline and diesel cars

1. Gasoline and diesel cars


Alternative fuel cars

  • Petrol (gasoline)

  • lower purchase price

  • larger model choice

  • cheaper maintenance

  • higher fuel price

  • products more CO2

  • shorter life of engine

  • very flammable -> danger

Diesel

  • lower price when fill up

  • motors more reliable,

    consumption 15% lower

  • 20% less CO2 released

  • purchase cost (+10%)

  • more NOx discharged


2 lpg and cng cars

2. LPG and CNG cars

LPG (Liquified petroleum gas)

  • less polluting

  • cheaper

  • extracted from oil

    CNG (Compressed Natural Gas)

  • environmentally friendly

  • large reserves


And tommorow

And tommorow?

Future oil production


Alternatives

Alternatives


1 biofuels

1. Biofuels


Alternative fuel cars

  • Biogas(anaerobic fermentation)

  • Bioethanol(ethanol fermentation)

  • Straight (or waste) vegetable oils

  • Biodiesel

  • (Transesterification: alcohol + ester → different alcohol + different ester )

  • Less emission of sulfur and CO2

  • Can be use as a pure fuel

  • No taxe

  • Risk of irresponsible farming methods

  • Biodiesel production is more expensive than petrodiesel one


2 electric cars

2. Electric cars


Battery electric vehicle

Battery electric vehicle

  • Lead-acid battery

  • Nickel-cadmium battery

  • Lithium ion battery

  • zero-emissions vehicle

  • range

  • cost

  • electricity production


3 the gasoline electric hybrid car

gasoline-powered car:

fuel tank---> engine ---> transmission ---> wheels

electric car and acceleration of a hybrid car:

set of batteries ---> electric motor ---> transmission ---> wheels

3. The gasoline-electric hybrid car


Cruising passing

CruisingPassing


The electric motor acts as a generator and charges the battery set

The electric motor acts as a generator and charges the battery set

Regenerative braking


Alternative fuel cars

Advantages

increase the mileage

less emission and petroleum consumption than a gasoline-powered car

overcome the shortcoming of an electric car

drive as well as a usual car

Examples

Toyota Prius


Hydrogen fuel cell

Hydrogen & fuel cell


Alternative fuel cars

  • Advantages

  • high efficiency

  • emission-free

  • no moving parts, do not involve combustion

    • -> reliable

  • Disadvantages

  • cost

  • manufacture, vehicule integration

  • hydrogen production


5 other projects

5. Other projects...

Compressed-air cars

Solar cars


Conclusion

Conclusion

A faire !!!

A lot of alternatives exist…they all have advantages, disadvantages and specific needs… so there is still work (chemin a faire) to do with the conception but a………..


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