Show me a modern car that gets 34-40mpg in mediocre driving and I'll show you a $20K-$25K Prius or Civic Hybrid being wasted by someone who doesn't care about efficiency.
3Dr Toyota Yaris: I used to get around 38mpg consistently with the only "FE minded" driving style of coasting in gear...
Aptera Plug-in Hybrid (Concept, production in 2009 or 2010). Estimated in excess of 200 mpg. 100% electric or Plug-in-Hybrid versions available. Target, US Market. California.