Chevron, gas pumpAP PhotoThe EPA's mileage figures don't always
line up with real world numbers.   We expect it's a question
many of our readers are familiar with--either in keeping an eye
on their own car's gas mileage, or from friends asking about
their next car.  It's become all the more important in recent
months, with high-profile criticism for makers like Ford, whose
recent hybrid models struggle to attain the figures returned in
EPA testing.  And while some cars routinely struggle to reach
their official numbers, other cars are often much better in the
real world--as Volkswagen diesel owners are often all too eager
to point out!  We decided to browse some of the more well-known
gas-sipping models using's roster of driver-inputted numbers, to
see which models fare best, and which aren't so good in the real
world. It's looking good for Honda and Volkswagen, but not so
much for Ford...   honda insight tbiHonda Insight  Honda CR-Z
EPA: 34/37 mpg combined (manual/CVT) Real world: 37-40 mpg  The
economy of H