>He paid $4000+ (I think) extra and has nothing to show for it. Besides the fuel economy that will hopefully pay for that investment over time. Cars that shou

>He paid $4000+ (I think) extra and has nothing to show for it. Besides the fuel economy that will hopefully pay for that investment over time. Cars that shout "I'm saving polar bears!" may be needed to get enough early adopters but then hopefully the technology has enough benefits on its own that it becomes just another feature that people value for its own sake.