PreProduction Articles on Engadget

February 29, 2012 at 5:57AM

Broadcom: 802.11ac chipsets already in preproduction, preparing router invasion in summer

June 26, 2009 at 12:38AM

Chevy Volt's first pre-production model now on the road, in testing

May 27, 2009 at 10:39PM

Chevy Volt coasts closer to reality, first bona fide model now in production