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Mazda Living Smart

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Experience Mazda Zoom Zoom Lifestyle and Culture by Visiting and joining the Official Mazda Community at http://www.MazdaCommunity.org for additional insight into the Zoom Zoom Lifestyle and special …

Experience Mazda Zoom Zoom Lifestyle and Culture by Visiting and joining the Official Mazda Community at http://www.MazdaCommunity.org for additional insight into the Zoom Zoom Lifestyle and special offers for Mazda Community Members. If you live in Arizona, check out CardinaleWay Mazda's eCommerce website at http://www.Cardinale-Way-Mazda.com

Published in: Automotive, Technology, Business

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Transcript

  • 1. Electric Vehicles Ian Hooper December 2008
  • 2. Introductions
    • Ian Hooper, from Maida Vale WA
    • Degree in Mechatronic Engineering
    • Currently run a business promoting electric vehicles in Australia
    • Recently converted Mazda MX5 to battery electric
  • 3. Free Lunch Will Soon Be Over
    • Petrol contains an amazing amount of energy, but is non-renewable resource
    • Other forms of combustible fuel need to be produced
      • Hydrogen production by electrolysis of water <50% efficient
      • Biofuel requires large amounts of farmland
        • Biofuel to fill a Hummer’s fueltank requires same farming resources as food for a family for a year!
    • Combustion engines are only 30% efficient
  • 4. Sustainable Transport
    • 40% of all greenhouse gas emissions are from transport
      • We need transport solutions which use renewable energy and do not generate CO2!
    • Electric vehicles can be recharged from electricity generated by renewable sources
      • e.g Green Power, roof-top solar
    • Electric vehicles are highly efficient
      • Up to 90% total system efficiency
  • 5. Commonly Held Misconception
    • “ If electric cars are recharged from a mains grid primarily powered by fossil fuels, they are just as bad for the environment as petrol cars?”
      • The simple answer: Why haven’t you signed up for Green Power yet?
      • Also, power stations and EVs are much more efficient than petrol engines
  • 6. CO2 Emissions Comparison Toyota Prius Hybrid 104 g/km Holden Commodore V6 Petrol 255 g/km Tesla Roadster Battery Electric ~ 50 g/km* * Based on electricity generated entirely from fossil fuels
  • 7. Running Cost Comparison
    • Typical petrol vehicle: 10L/100km
    • 1L fuel costs say $1
    • 10 cents per km
    • Electric vehicle uses 0.2kWh/km
    • $0.20/unit (kWh)
    • ~4 cents per km
    • Offpeak electricity @6c/unit = ~1c/km!
  • 8. Converting a Car to Electric
    • It’s a big job!
      • First-timers usually take about 100 hours
          • not including research and design time..
    • So why bother?
      • Unfortunately there are no mass produced electric vehicles for sale in Australia*, so we have to make our own.
    * as of December 2008
  • 9. Motivation?
    • The environmental imperative
      • &quot;We do not inherit the earth from our ancestors, we borrow it from our children.&quot; - Native American Proverb
      • &quot;You must be the change you wish to see in the world.” - Mahatma Gandhi
  • 10. Conversion Process
    • Remove the petrol engine, fuel tank, radiator, etc..
  • 11. Conversion Process
    • Replace with an electric motor
  • 12. Conversion Process
    • Install some batteries up front..
  • 13. Conversion Process
    • Some more in the back..
  • 14. Conversion Process
    • And some extra electronics etc..
  • 15. Conversion Process
    • And we’re done! (Sounds easy, right?)
  • 16. The Future
    • Real change will be possible when mass-produced electric vehicles hit the market (2010?)
    • Huge scope for improving vehicle efficiency
      • e.g Lighter and more aerodynamic
      • The Aptera (right) uses six times less energy to get from A to B than my MX5!
  • 17. The Future
    • I’m also a big advocate of personal transportation solutions, e.g
      • Electric bicycles
      • Electric scooters
      • Segway type scooters
    • Makes a lot more sense than bringing 1 tonne of metal with you everywhere!
  • 18. Side Note: Energy Efficiency
    • Human riding a bicycle: 20 calories per kilometre
    • Average car: 1200 calories per km! (60x worse)
    • Problem: The passenger only represents 5% of total weight in car.
  • 19. Get Involved
    • Australian Electric Vehicle Association
      • http://www.aeva.asn.au
    • Zero Emission Vehicles Australia
      • http://www.zeva.com.au