I understand where he is coming from in terms of business perspective. He wants to shift it onto the consumers so they are forced with either updating there current vehicles and thus GM wouldn't have to pay the huge tax fines for exceeding CAFE standards etc.
Realistically it's not a bad idea but all of us Americans will throw a fit because we've historically had some of the lowest gas prices in the world --- unlike Europe who takes the hell out of gasoline/diesel to accomplish several of the same objectives.
1995 M3 Coupe - HPDE/Track Prepped - For Sale
1997 M3 Coupe - BMWCCA I-Prepared Race Car
2011 335d - Das Uber Commuter (35.1MPG Avg)