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...from a direct connection to land-based generation plants, as is common in electric trains; from chemical energy stored on the vehicle in batteries or diesel f ...ertor|torque convertor]]s and [[Differential_(mechanics)|differential]]s. Electric motors also have the unusual ability to convert movement energy back into e

[[Petroleum electric hybrid vehicle|Petroleum electric hybrid vehicles]] make use of both an on-board [[rechargeable energy storage system]] (RESS ===Parallel hybrid===

[[Image:DC Electric Locomotive.jpg|thumb|250px|right|An [[electric locomotive]], taking power through a [[Pantograph (rail)|pantograph]]]] ...els]] or [[propellers]] driven by rotary motors, or in the case of tracked vehicles, by [[linear motor]]s.

...as its primary source of [[power (physics)|power]] for locomotion. These vehicles generally use the hydrogen in one of two methods: [[combustion]] or [[fuel- ...he hydrogen is turned into electricity through fuel cells which then power electric motors.

A '''hybrid vehicle''' (HV) is a vehicle using an on-board [[rechargeable energy storag ...r plant based oils have also seen occasional use. A number of other hybrid vehicles use hydrogen fuel.

=== Internal combustion engine powered vehicles === ...|Samuel Brown]], and the American inventor, [[Samuel Morey]], who produced vehicles powered by clumsy internal combustion engines about 1826.

...ew have experimentally used [[ion thruster]]s with some success (a form of electric propulsion). * [[Hybrid rocket]] (chemical energy)