Late last year, the Senate passed legislation that called for big tax credits for plug-in hybrid vehicles. As it was originally written, the credits were dependent on the size of the car's battery pack and ranged from $2,500 to $7,500 – the Chevy Volt is the only production car currently announced that would get the full credit – and only the first 250,000 PHEVs sold, regardless of manufacturer, would qualify.
Now is the time that automakers can get in touch with the Feds and let them know what they have in store for the U.S. market. General Motors has taken the unusual approach of being extremely transparent with the development of its Volt, which is either an extended-range electric-vehicle or a PHEV, depending on your point of view. As far as current, though not yet concrete, legislation is concerned, the Volt would be the only vehicle produced by a major manufacturer with enough battery capacity t