General Motors wonât revive the Pontiac G8 as a Chevrolet Caprice in the American market. Fordâs head of global marketing, Jim Farley, will take over the companyâs Canada, Mexico and South American operations. Hybrids may not save as much gasoline as expected. All that and more, plus a preview of this weekâs episode of Autoline Detroit about what GM and Chrysler need to accomplish in order to be successful going forward.