Chemical energy used in propelling cars.   Chemical energy used in storing and releasing electrical (battery) energy.   Mechanical energy used to make electrical power tâ¦o recharge the battery / batteries, and other systems.   Fluid power used to convert engine rpm to driveshaft rpm (in automatic transmissions).
OEM redirects here. For other uses, see OEM (disambiguation) . Original equipment manufacturer (OEM) is a term used when one company makes a part or subsystem that is used in another company's end product. The term is used in several ways each of which is clear in context.
OEM is somewhat of a misleading term for a company that has a special relationship with computer and IT producers. This article explains the role of an OEM company and the OEM business model. OEM (pronounced as separate letters) is short for o riginal equipment manufacturer.