It's really no surprise that the combination of various gas-saving techniques known collectively as 'hypermiling' are getting more attention these days with oil hitting record highs (though part of it is because of the weakness of the US dollar).

Some hypermilers do it for sport, like that team that achieved 110 mpg, driving 47 hours and 1,397 miles on 12.87 gallons of gasoline, in a regular...