Audi goes the PSA route by developing a Quattro system with a rear axle-mounted electric motor. (http://feeds.feedburner.com/~ff/worldcarfans/Jxfz?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/worldcarfans/Jxfz?i=4d__M3DnLgE:h9yE-iqcFpc:V_sGLiPBpWU) (http://feeds.feedburner.com/~r/worldcarfans/Jxfz/~4/4d__M3DnLgE)
Source: Audi introduces A5 e-tron quattro plug-in hybrid prototype (http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/4d__M3DnLgE/audi-introduces-a5-e-tron-quattro-plug-in-hybrid-prototype)