electric vehicles

An elec­tric vehi­cle (EV), also referred to as an elec­tric dri­ve vehi­cle, uses one or more elec­tric motors or trac­tion motors for propul­sion. An elec­tric vehi­cle may be pow­ered through a col­lec­tor sys­tem by elec­tric­i­ty from off-vehi­cle sources, or may...

environment

The bio­phys­i­cal envi­ron­ment is the biot­ic and abi­ot­ic sur­round­ing of an organ­ism or pop­u­la­tion, and con­se­quent­ly includes the fac­tors that have an influ­ence in their sur­vival, devel­op­ment and evo­lu­tion. The bio­phys­i­cal envi­ron­ment can vary...

public transportation

Pub­lic trans­port (North Amer­i­can Eng­lish: pub­lic trans­porta­tion or pub­lic tran­sit) is a shared pas­sen­ger trans­port ser­vice which is avail­able for use by the gen­er­al pub­lic, as dis­tinct from modes such as taxi­cab, car­pool­ing or hired bus­es which...

complexion

Com­plex­ion refers to the nat­ur­al col­or, tex­ture, and appear­ance of the skin, espe­cial­ly that of the face.