GM: Chevy Volt output break due to Impala retooling
• http://content.usatoday.com, By James R. HealeyGeneral Motors is shutting down, for a month, the plant that makes its well-known Chevrolet Volt extended-range electric car. But GM says its is for retooling to produce the coming new Impala, and not, as the report indicated, to cut back this year's
