From the Rocky Mountain News, the National Renewable Energy Lab tested a souped up Prius that gets 100 mpg:Lab drives car to 100 mpg
Press release here
It is modified to be plug-in with supplementary roof-top solar panels. For the first 60 miles it averages 100 mpg (and then needs recharging to maintain that rate.









Better cars => more sprawl. We do not have enough time before the methane releases from the arctic sea to be distracted with this non-solution.