100 mpg? Sounds about right

GILBERT, Ariz. -- After a 29-mile jaunt from his Phoenix office to his home here, Louis Hudgin proclaimed his gas mileage "pitiful."

He averaged just 88.3 miles per gallon.

Most drivers would take a victory lap if they managed to squeeze that kind of mileage out of increasingly precious gasoline. Even on this, a bad day, Hudgin coaxed 28 mpg more out of his 2000 Honda Insight hybrid than its federal highway mpg rating.

Hudgin's disappointment -- he usually averages about 100 mpg this time of year -- stems from his pride in being no ordinary driver.

He's a hypermiler, part of a loose-knit legion of commuters who've made racking up seemingly unattainable mpg an art. And a sport.

Hypermilers practice such unorthodox techniques as coasting for blocks with their car's engine turned off, driving far below speed limits on the freeway, pumping up tire pressure far ...