| Nowadays people have more varied choices in | | | | Electric vehicles generally use electric motors used |
| buying vehicles and cars. As now they have the | | | | to drive vehicles because they can be finely |
| option of electric vehicles. But what exactly | | | | controlled, they deliver power efficiently and they |
| electric vehicle is? In simple words an electric | | | | are mechanically very simple. Moreover these |
| vehicle, or EV, is a vehicle with one or more | | | | electric motors often achieve 90% conversion |
| electric motors for propulsion. Thus, the motion | | | | efficiency over the full range of speeds and |
| may be provided either by wheels or propellers | | | | power output and can be precisely controlled. |
| driven by rotary motors, or in the case of | | | | Thus it won't be wrong to say that these electric |
| tracked vehicles, by linear motors. | | | | motors can provide high torque while an electric |
| The energy used to propel these kind of can be | | | | vehicle is stopped, unlike internal combustion |
| obtained from various sources such as: | | | | engines, and do not need gears to match power |
| 1. From chemical energy stored on the vehicle in | | | | curves. |
| on-board batteries: Battery electric vehicle | | | | These days electric vehicle is designed in two |
| 2. From both an on-board rechargeable energy | | | | ways those are Battery Electric Vehicles and |
| storage system (RESS) and fueled propulsion | | | | Hybrid vehicles. Battery Electric Vehicles covert |
| power source: hybrid vehicle | | | | chemical energy to electrical energy in batteries; |
| 3. Generated on-board using a combustion engine, | | | | whereas Hybrid vehicles, which convert chemical |
| as in a diesel-electric locomotive | | | | energy to electrical energy via an internal |
| 4. Generated on-board using a fuel cell: fuel cell | | | | combustion engine and a generator. However, |
| vehicle | | | | there is another less established form of electric |
| 5. Generated on-board using nuclear energy, on | | | | vehicle which is the 'plug-in hybrid'. This 'plug-in |
| nuclear submarines and aircraft carriers | | | | hybrid' attempts to combine the benefits of both |
| 6. From more esoteric sources such as flywheels, | | | | these designs and allows the moderate capacity |
| wind and solar | | | | batteries of a hybrid vehicle to be recharged not |
| 7. From a direct connection to land-based | | | | only from the internal combustion engine and |
| generation plants, as is common in electric trains | | | | generator. |
| and trolley buses | | | | |