Bill Destler Why Electric Cars Are Our Future

17 Мар 2014 | Author: | Комментарии к записи Bill Destler Why Electric Cars Are Our Future отключены
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Why Electric Cars Are Our Future

As the of Rochester Institute of Technology. one of the largest technical universities, I interested in electric vehicles a few ago because one of our major research was working on advanced battery and cell research projects for automotive companies. I was at first skeptical of electric vehicles electricity must be generated another source of energy, and seemed to insert another step in the energy conversion that would make vehicles inherently less than the current generation of cars and trucks.

And I was not alone. In first-generation electric vehicles as the Chevy Volt and Nissan have failed to gain market share in their two years of availability, and many concluded that they are not the of personal transportation, either in the or elsewhere. Nevertheless, despite widespread skepticism, other are rolling out new electric vehicles on a basis, including Ford, Mitsubishi, Volvo, and BMW, others.

Why? Because a careful reveals that there are reasons that will manufacturers and consumers inevitably to vehicles in the years ahead, that the public in general is of. So here are a few of the reasons that I learned that lead me to that within 50 years a of our cars will be equipped electric drivetrains.


1. Electric are inherently more efficient at energy into miles Most people do not realize but electric drivetrains are much efficient than internal engine (ICE) drivetrains 75% vs 25%, in fact). In fact, is little hope that ICE could ever compete electric drivetrains in terms of Why are ICE drivetrains so inefficient?

There are many reasons, heat losses and inertial of various kinds, but ICE’s are thermodynamic systems with limited by the heat cycle operate under. Engineers done amazing work in the efficiency of gas-powered cars, but are up against fundamental limits. In a Nissan Leaf or a Chevy can go about 40 miles on 11 Kilowatt-hours of electricity, the energy equivalent of a of a gallon of gasoline.

And since the average cost per KWH for electricity is $0.11, this performance cost-wise into the equivalent of than 120 miles per gallon.

2. Electric vehicles are greener gasoline-powered cars. There are who have tried to argue but the most credible research has that most of a vehicle’s production comes during rather than production, and vehicles that consume a third as much energy in are inherently greener no matter fuel is used to generate the they use. And electric powered by electricity from solar, wind, or nuclear produce no carbon in operation.

3. vehicles can be powered by electricity from multiple energy Electricity can come from solar, hydro, nuclear, and fossil fuel sources natural gas, oil, and All but one of those sources is produced entirely within the U.S. local natural resources.

So electric vehicles have the to support the U.S. economy and our dependence on imported oil.

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4. An distribution network for electricity exists in the U.S. This obvious, but compare this to that of other next-generation fuels such as natural gas and

5. Range is less of an issue most think. Most drive 40 miles per day or less on the well within the range of all available electric cars, and models will have 10 this range or more. And for designs like the Chevy driving distances are unlimited as as one keeps filling the gas tank, an onboard gasoline powered can provide electricity when the is depleted. In fact, statistics daily at Voltstats.net on over Volts in operation indicate the median Volt owner 80% of their miles using the energy in the battery, and consumes one gallon of gas per 177 miles driven.

So these drivers get benefit of the efficiency of an electric vehicle and the range of a gasoline powered

6. Next generation technologies, as fuel cell vehicles, require electric drivetrains to the vehicles. Fuel cells can be portable sources of electricity on a variety of fuels, but all cars and using these energy will use electric drivetrains. In there are new fuel cell that use natural gas as a fuel to electricity, but in a chemical reaction than a combustion reaction.

advanced fuel cells sequesterable Carbon that can be buried rather than emitted into the atmosphere.

So in the future, electric drivetrains probably dominate whatever the source. There’s just no way to get this kind of efficiency from an ICE drivetrain.

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