Ask GM's Bob Kruse why they don't make 100mpg cars this Friday

This Friday you'll finally get your chance a General Motors executive where they hid the mythical 200mpg carburetor and the water engine. The latest edition of the series of online chats being held on GMnext occurs this Friday at 9am EST. The guest chatter will be Bob Kruse, Executive Director of Global Vehicle Engineering Hybrids, Electric Vehicles and Batteries at GM and the subject is "Why don't automakers make a 100mpg car?" If you're inclined to participate in the chat, you'll need register on the GMnext.com site. You might want to ask Kruse why GM and their competitors have declined to participate in the Automotive X-Prize.
[Source: GMnext.com]