One of these cars is an environmentalist's dream ? Really? even if they cost $ 200-500 more than equivalent vehicles?
"We're fairly certain our customers would be unwilling to pay it," says Kevin Cullen, staff development engineer at General Motors' Milford, Mich., proving grounds and technical adviser for GM environmental programs. "If the sticker price reflects the difference in costs, we don't think there'll be a whole lot of PZEVs sold in the open market."