Gourt > Science > Technology > Energy > Transportation > Electric Vehicles (5)
An electric vehicle, or EV, is a vehicle with one or more electric motors for vehicle propulsion. The motion may be provided either by wheels or propellers driven by rotary motors, or in the case of tracked vehicles, by linear motors.
The energy used to propel the vehicle may be obtained from several sources:
- from chemical energy stored on the vehicle in on-board batteries: Battery electric vehicle (BEV)
- from both an on-board rechargeable energy storage system (RESS) and a fueled propulsion power source: hybrid vehicle
- generated on-board using a combustion engine, as in a diesel-electric locomotive
- generated on-board using a fuel cell: fuel cell vehicle
- generated on-board using nuclear energy, on nuclear submarines and aircraft carriers
- from more esoteric sources such as flywheels, wind and solar
- from a direct connection to land-based generation plants, as is common in electric trains and trolley buses
The reasons that electric motors are a good choice to drive vehicles are that they can be finely controlled, they deliver power efficiently and they are mechanically very simple. Electric motors often achieve 90% conversion efficiency over the full range of speeds and power output and can be precisely controlled. Electric motors can provide high torque while an EV is stopped, unlike internal combustion engines, and do not need gears to match power curves. This removes the need for gearboxes and torque converters. Electric motors also have the ability to convert movement energy back into electricity, through regenerative braking. This can be used to reduce the wear on brake systems and reduce the total energy requirement of a typical trip.
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2010 Will Be a Pivotal Year for Electric Vehicles, According to Pike Research http://bit.ly/7dR6Xf
revenue_spark (Revenue Spark) Thu, 17 Dec 2009 23:02:54 -0000
2010 Will Be a Pivotal Year for Electric Vehicles, According to Pike Research http://bit.ly/7dR6Xf
Discussion of New Business Models for Electric Vehicles, http://slidesha.re/5gH0o5
JohannaHaynes (JohannaHaynes) Thu, 17 Dec 2009 23:00:10 -0000
Discussion of New Business Models for Electric Vehicles, http://slidesha.re/5gH0o5
Just uploaded 'New Business Models for Electric Vehicles: Perspective from ...' to SlideShare. http://slidesha.re/5gH0o5
Frost_Sullivan (Frost & Sullivan) Thu, 17 Dec 2009 22:57:06 -0000
Just uploaded 'New Business Models for Electric Vehicles: Perspective from ...' to SlideShare. http://slidesha.re/5gH0o5
Cities Take a Lead on Electric Vehicles: The mayors of the worldâs leading cities nave agreed in Copenhagen to fo... http://bit.ly/8cHeGS
PureGreenCars (PureGreenCars) Thu, 17 Dec 2009 22:52:48 -0000
Cities Take a Lead on Electric Vehicles: The mayors of the world’s leading cities nave agreed in Copenhagen to fo... http://bit.ly/8cHeGS
Asia To Be Dominant Supplier And Consumer Of Electric Vehicles, Says Pike Research. www.techpulse360.com
mgboz (mgboz) Thu, 17 Dec 2009 22:23:15 -0000
Asia To Be Dominant Supplier And Consumer Of Electric Vehicles, Says Pike Research. www.techpulse360.com
Asia To Be Dominant Supplier And Consumer Of Electric Vehicles, Says Pike Research.
techpulse360 (techpulse360) Thu, 17 Dec 2009 22:22:24 -0000
Asia To Be Dominant Supplier And Consumer Of Electric Vehicles, Says Pike Research.
AC Electric Vehicle Ltd. - Supplier of electric vehicle drive system solutions.
Meta Description: [ Ajoneuvotietokoneiden ja mobiilin tiedonsiirron erityisosaaja. Toimitamme ajoneuvotietokoneita, tiedonkeruulaitteita ja ohjelmistoja kuljetusyrityksille ja ajoneuvovalmistajille. Ajoneuvotietokone Ajoneuvotietokoneet Ajoneuvotietokoneita ]
Alke - Manufacturer of compact high performance utility vehicles for professional uses. Includes company profile and product overview. [Italian, English]
Meta Description: [ Electric and conventional vehicles for transportation inside civil, tourist and industrial structures. ]
Austin Area Electric Vehicle Association - A group of people who gather to discuss electric vehicle technologies and construction. Also a photo album with full specifications of the electric cars and trucks owned and built by members.
Breakthrough Technologies Inc. - Site promotes advanced technologies in automobiles, such as electrical and hybrid power.
Meta Description: [ Domain name renewal and affordable web hosting packages from Network Solutions ]
Bristol Electric Vehicle Study - Design information for electric vehicle builders. Includes mathematics and design specifications.
Built For Fun Electric Vehicles - Provides plans and designs for small powered electric vehicles for kids including trike, scooter and kart projects.
Meta Description: [ Home built DIY electric go karts for kids and adults for fun and leisure use. Plans for small buggy (go kart) and tractor projects. ]
Canadian Electric Vehicles - Converter of commercial and passenger vehicles to electrically driven ones.
Meta Description: [ electric vehicle components,manufacturing of electric vehicles, parts suppliers of electric vehicles, electric vehicle conversions ]
Commuter Cars Corporation - Electric commuter cars that combine the size, speed and agility of a motorcycle. Includes product overview and data.
Meta Description: [ Revolutionizing Personal Transportation. The Tango,the first vehicle produced by Commuter Cars, is a glimpse into the future of commuting where we hope wasted time, energy, and freeway real estate due to traffic jams will be things of the past. ]
Curtis Instruments, Inc. - Manufacturer of instruments and motor speed controllers for battery-powered and electric vehicles and equipment.
Cybertran Information - Proposed electric car/ train which would hold from six to thirty passengers for commuting into and out of urban areas.
Documentation: Auranthetic Charger - The Auranthetic Charger was a small electric motorcycle produced in California in the 1970's. Links to assembly instructions, parts locator and a forum.
DriveEV - Provides technical information and personal experience regarding converting a gas vehicle to a battery based electric vehicle.
Meta Description: [ 100% Electric Vehicle conversion information ]
Driving the Future - EVs compared with hybrids, fuel-cell vehicles, and gasoline-powered vehicles for pollution, energy, practicality. Letter-writing site to support the requirement that some percent of new cars be EVs by 2003.
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Dual-mode EVs - History, system design, technical details, of proven technologies for EVs, and public transit sharing, electric highways. No-stop battery charging, fast, far lower cost, non-polluting EVs. Power storage for solar/wind source, in-transit highway power.
Meta Description: [ Dual-mode EVs with onboard batteries and integral PV, plus solar, wind, or grid powered electric lanes. ]
Econogics Electric Vehicle Index - Contains a wealth of information and an excellent history of electric vehicles. Also includes info on the Electric Vehicle Council of Ottawa and their annual Electrathon.
Electric Drive Transportation Association - Association dedicated to advancing electric drive as a core technology on the road to sustainable mobility. Site provides news and other information about the electric drive industry.
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Electric Vehicle History - Online Archive - Encourages electric vehicle enthusiasts to help preserve the recent history of electric vehicles by posting to online archive, where other contributions are available to be read.
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Electrifying Times Magazine - An international magazine with news and information about electric vehicles.
Electro Automotive - Electric vehicle conversion kits, components, books, videos, consulting.
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EV Charger News - Site contains listings for EV charging stations in California, Arizona, and Georgia, and a few for other states.
EV Discussion list - Current and archived threads on electric vehicles.
EV Information Network - Electric vehicles with facts and myths, costs, and how to acquire them.
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EV Mailing List archive - Electric vehicles mailing list, hosted by the Center for Renewable Energy and Sustainable Technology
EV World - About advanced electric cars, hybrid-electric and fuel cell vehicles.
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EV1 Club - California-based club for enthusiasts of the General Motors EV1
Feel Good Cars - Restores old gasoline powered vehicles and converts them to electric powered ones.
Formula Lightning: West Virginia University - Car specs, race schedule, and team roster.
Fox Valley Electric Auto Association - Electric Vehicle club serving the greater Chicagoland area, suburbs, Southern Wisconsin and Northern Indiana.
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FutureTruck Competition - A vehicle re-engineering competition that challenges student teams from 15 colleges to convert a Ford Explorer into a more fuel-efficient, lower emissions vehicle without sacrificing conventional features of comfort and convenience.
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Green Company - Market street electric vehicles to be used for a wide variety of applications. Includes company profile and product overview. [Italian, English]
Le systeme praxitele - Praxitele is a transportation system based on a fleet of electric cars available in self-service mode in a limited area.
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Light Electric Vehicles (LEVs) - Survey of LEVs as transportation,including electric bicycles/scooters/tricycles, neighborhood electric vehicles, and one-person commuter cars. Overview of designs, capabilities, features, the industry, and specs. Also background on economic, health, environmental, and legal issues.
NEDRA: National Electric Drag Racing Association - A coalition aimed at increasing public awareness of electric vehicle (EV) performance and to encourage through competition, advances in electric vehicle technology.
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Pedelecs and E-Bikes - News, current events, and product information from a non-profit organization promoting light electric vehicles.
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Sparrow Owners Group - Discussion group for owners of Corbin Sparrow electric vehicles. Email list, usage and maintenance tips, helpful links.
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Technologies M4 - Developer of high-performance drive systems for electric vehicles.
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