Energy
Energy storage
Energy storage is the capture of energy produced at one time for use at a later time. A device that…
Power supply
A power supply is an electrical device that supplies electric power to an electrical load. The primary function of a…
Zero-emissions vehicle
A zero-emissions vehicle, or ZEV, is a vehicle that emits no exhaust gas from the onboard source of power. Harmful…
Wind-powered vehicle
Wind-powered vehicles derive their power from sails, kites or rotors and ride on wheels—which may be linked to a wind-powered…
Life-cycle assessment
Life-cycle assessment (LCA, also known as life-cycle analysis, ecobalance, and cradle-to-grave analysis) is a technique to assess environmental impacts associated…
Energy conversion efficiency
Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in…
Electric vehicle conversion
In automobile engineering, electric vehicle conversion is the replacement of a car's combustion engine and connected components with an electric…
Vehicle to grid
Vehicle-to-grid (V2G) describes a system in which plug-in electric vehicles, such as battery electric vehicles (BEV), plug-in hybrids (PHEV) or…
Hybrid vehicle drivetrain
Hybrid vehicle drivetrains transmit power to the driving wheels for hybrid vehicles. A hybrid vehicle has multiple forms of motive…
Plug-in hybrid
A plug-in hybrid electric vehicle (PHEV) is a hybrid electric vehicle whose battery can be recharged by plugging it into…