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  • How you can comment data represented in these two articles:

    http://evworld.com/insider.cfm?archyr=2007&nextedition=133

    http://www.evworld.com/article.cfm?storyid=1256

    in Algae Fuels Solar PV Solar CSP Electric, Hybrid and Plug in Hybrid Electric Cars Transport Fuel Efficiency

    • Narsi 4 years ago

      Hi Kyzyl...good to see you after a long time...hope you are doing well... Now, to answer ur question...both articles appear to be dated (at least 5 years old)...has anything happened on the fuel cells and the biofuels mentioned in the respective articles? I dont think fuel cells in cars have gone much ahead and biofuels efforts in cars seem to have stalled quite much last one year What do you think? And thanks again for reappearing...I myself had not been on CleanTick for a while, and in the meantime, I see a lot of trolls and spammers populating this network...will get all these cleaned up soonest

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  • While on the face of it, electric cars look like a great green option, if one considers the entire lifecyle of the electric car - starting from the way batteries are manufactured - the whole thing might not look so green after all, or at least not as green as it looked earlier. Any idea on how the lifecycle sustainability accounting / green accounting for electric cars compare to that for traditional cars?

    in Electric, Hybrid and Plug in Hybrid Electric Cars

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  • Ultracapacitors: Best Option for EV Energy Storage Technology - Electric vehicles (EVs) are having their time in the spotlight with several models from makers such as General Motors, Tesla and Nissan on the market today and more to come in the future.

    The growing demand for EVs is spurring the automotive industry’s search for sophisticated components to extend the longevity of these vehicles while simultaneously improving their performance capabilities. Research and advancements in efficient components over the last several years has led to a hybrid energy storage system consisting of an ultracapacitor and battery pairing. This pairing increases energy and improves the power density of the hybrid supply, which allows the battery to operate without large current spikes that would normally occur when using just a battery. When the battery can operate without current spikes, it has a longer, more effective life. The hybrid system reduces the cycling of the battery under heavy load conditions, in turn extending the life of the hybrid supply and providing a more efficient energy supply.

    Ultracapacitors store energy electrostatically, whereas batteries produce energy via a chemical reaction. For automotive manufacturers, this difference means an economical, versatile power delivery technology more beneficial than batteries. Coupled with batteries in a hybrid system, ultracapacitors improve the range and performance of trucks, passenger and delivery vehicles.

    http://www.eetimes.com/design/smart-energy-design/4235856/Ultracapacitors--Best-Option-for-EV-Energy-Storage-Technology

    in Electric, Hybrid and Plug in Hybrid Electric Cars

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  • How many kilometers can a typical electric car go on 1 kWh of electrical energy?

    in Electric, Hybrid and Plug in Hybrid Electric Cars

  • What are the maximum speeds that electric cars can reach? Are they as high as the best that oil driven cars could reach?

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    • Puneetjain86 5 years ago

      there is lot of research going on in this field and soon we will get to see substantial result in this field.

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  • The special batteries used to power electric vehicles (EV) are expensive. However, there is good news for future EV consumers, EV builders, and EV enthusiasts. U.S. Energy Secretary Dr. Steven Chu in a recent speech predicted that the price of EV batteries could drop dramatically by 2015.

    Technology is a funny thing. As the cost of goods and fuel increases the price of modern gadgets decreases. HD TVs used to cost thousands and now cost hundreds. Cell phones were once a luxury of the wealthy and now everyone has them and you can even get one for free. According to Dr. Chu, EV batteries will follow a similar trend, and less expensive EV batteries means cheaper EV prices.

    “Overall, the Department of Energy is partnering with industry to reduce the manufacturing cost of advanced batteries. While a typical battery for a plug-in hybrid electric vehicle with a 40-mile electric range cost $12,000 in 2008, we’re on track to demonstrate technology by 2015 that would reduce the cost to $3,600. And last year, we set a goal of demonstrating technology by 2020 that would further reduce the cost to $1,500 – an accomplishment that could help spur the mass-market adoption of electric vehicles.”, said Dr. Chu in a speech to The Detroit Economic Club.

    The trend of the dropping price of modern technology has, obviously, lead to more people buying and adopting the tech into their everyday lives – and fast. HD TVs went from the minority to the majority, ownership doubling from 2007 to 2008 alone. Cell phones have penetrated the American market by as much as 96% and are becoming the norm in developing nations worldwide; while 76% of Americans own a personal computer.

    The fast adoption of these products has lead to some minor infrastructural issues such as the construction of more cell towers and the running of cables to provide internet service. Yet nothing really compares to what needs to be done from an infrastructure stand point to accommodate EVs on a grand scale. Some American cities are working to accommodate EVs in the near future but most are not. However if Dr. Chu’s predictions of cheaper EV batteries does come to pass, and the trend of dropping prices in technologies continues to lead to the fast adoption of that technology, plus gas prices continue to climb, it would seem likely that ownership of EVs will increase. This means more of a strain on regional power grids and a need for public charging stations to become a common sight in America.

    Source: Gas 2.0 (http://s.tt/15op9)

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  • I believe the electric cars first made an appearance almost 100 years back, but never caught on. Was it only because petrol/gasoline was available in abundance, or were there other performance related reasons that put them out of business?

    in Electric, Hybrid and Plug in Hybrid Electric Cars

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    • Divyajeychandren 5 years ago

      I think you should probably watch the 2006 docu-film : Who killed the electric car? It explores precisely the same elements that are under discussion here. Who Killed the Electric Car? is a 2006 documentary film that explores the creation, limited commercialization, and subsequent destruction of the battery electric vehicle in the United States, specifically the General Motors EV1 of the mid 1990s. The film explores the roles of automobile manufacturers, the oil industry, the US government, the Californian government, batteries, hydrogen vehicles, and consumers in limiting the development and adoption of this technology. http://www.whokilledtheelectriccarmovie.com

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  • What is the point of making concepts and not taking them through production, seeing that considerable amount of time is spent on R&D for these concepts? are these companies thinking that at some point in the far future, these vehicles will become a reality?

    in Electric, Hybrid and Plug in Hybrid Electric Cars Electric and Hybrid Bikes and Bicycles

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    • Venusk 5 years ago

      @Divya I think that's a one-off case. Usually concept cars are made to see how the public receives them. Kind of a like a fashion show in which new designs are showcased to get some feedback.

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  • In what way does Ford use its kinetic design? Is it only for enhancing the looks or does it have some functional advantages as well?

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  • What does it cost to replace batteries in any standard EV (car and bike), including removal, disposal and installation?

    in Batteries for Electric Vehicles Electric, Hybrid and Plug in Hybrid Electric Cars Electric and Hybrid Bikes and Bicycles

    • Venusk 5 years ago

      Right now, it would cost around $18000 to replace a battery pack in the Nissan Leaf. But Nissan says that by the time current buyers will have to replace their battery packs in a few years(at least 5 or more), the cost will be down to hundreds of dollars.

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