General Motors Corp. Product Chief Bob Lutz said that the company has killed some of its concept-car ideas because of an increased emphasis on fuel economy and sensitivity over the automaker's public image.
Lutz, speaking during a video podcast on GM's Web site released over the weekend, said that the company has "arranged our priorities on now getting more fuel efficient, (and) spending a lot more money on alternative(s)." Those alternatives include hydrogen fuel-cell vehicles, and...